| Sunday, January 26 |
| Former Red Astyanax Douglass dies in ElPaso, TX at the age of 76. |
| Monday, April 7 |
| » Defeated Dodgers (0-1), 2-1 | Riverfront Stadium (1-0) | 1-0 | |
| » W: Pat Darcy (1-0) L: Charlie Hough (0-1) | First | -- |
| Wednesday, April 9 |
| » Defeated Dodgers (0-2), 4-3 | Riverfront Stadium (2-0) | 2-0 | Won 2 |
| » W: Pedro Borbon (1-0) L: Mike Marshall (0-1) | First | -- |
| » Major-league debuts: Doug Flynn (Reds) |
| Thursday, April 10 |
| » Defeated Dodgers (0-3), 7-6 | Riverfront Stadium (3-0) | 3-0 | Won 3 |
| » W: Clay Carroll (1-0) L: Charlie Hough (0-2) | First | -- |
| Friday, April 11 |
| » Lost to Padres (1-1), 5-2 | San Diego/Jack Murphy Stadium (0-1) | 3-1 | |
| » W: Dan Spillner (1-0) L: Fred Norman (0-1) | First | -- |
| Saturday, April 12 |
| » Lost to Padres (2-1), 3-2 | San Diego/Jack Murphy Stadium (0-2) | 3-2 | Lost 2 |
| » W: Joe McIntosh (1-0) L: Gary Nolan (0-1) S: Bill Greif (1) | Second | 1 out |
| Sunday, April 13 |
| » Defeated Padres (2-2), 10-0 | San Diego/Jack Murphy Stadium (1-2) | 4-2 | |
| » W: Don Gullett (1-0) L: Dave Freisleben (0-1) | First | -- |
| Monday, April 14 |
| » Lost to Dodgers (3-4), 5-2 | Dodger Stadium (0-1) | 4-3 | |
| » W: Doug Rau (1-0) L: Jack Billingham (0-1) S: Mike Marshall (1) | Second | 1 out |
| Tuesday, April 15 |
| » Lost to Dodgers (4-4), 3-1 | Dodger Stadium (0-2) | 4-4 | Lost 2 |
| » W: Don Sutton (2-0) L: Clay Kirby (0-1) | Second | 1 out |
| Wednesday, April 16 |
| » Lost to Dodgers (5-4), 7-6 | Dodger Stadium (0-3) | 4-5 | Lost 3 |
| » W: Mike Marshall (1-1) L: Clay Carroll (1-1) | Fourth | 1 out |
| Thursday, April 17 |
| » Lost to Dodgers (6-4), 5-4 | Dodger Stadium (0-4) | 4-6 | Lost 4 |
| » W: Mike Marshall (2-1) L: Clay Carroll (1-2) | Fourth | 2 out |
| Friday, April 18 |
| » Defeated Astros (3-7), 5-2 | Riverfront Stadium (4-0) | 5-6 | |
| » W: Don Gullett (2-0) L: Tom Griffin (0-2) | Fourth | 1½ out |
| Saturday, April 19 |
| » Defeated Astros (3-8), 9-8 | Riverfront Stadium (5-0) | 6-6 | Won 2 |
| » W: Clay Carroll (2-2) L: Ken Forsch (0-1) | Fourth | 1½ out |
| Sunday, April 20 |
| » Defeated Astros (3-9), 5-3 | Riverfront Stadium (6-0) | 7-6 | Won 3 |
| » W: Clay Carroll (3-2) L: Fred Scherman (0-1) | Fourth | 2 out |
| » Lost to Astros (4-9), 7-6 | Riverfront Stadium (6-1) | 7-7 | |
| » W: J.R. Richard (1-1) L: Clay Kirby (0-2) S: Wayne Granger (2) | Fourth | 2 out |
| Monday, April 21 |
| » Lost to Giants (7-5), 4-3 | Riverfront Stadium (6-2) | 7-8 | Lost 2 |
| » W: Gary Lavelle (1-0) L: Pedro Borbon (1-1) | Fifth | 2 out |
| Tuesday, April 22 |
| » Defeated Giants (7-6), 5-4 | Riverfront Stadium (7-2) | 8-8 | |
| » W: Clay Kirby (1-2) L: Charlie Williams (0-1) | Fourth | 2 out |
| Wednesday, April 23 |
| » Lost to Braves (9-7), 5-4 | Atlanta-Fulton County Stadium (0-1) | 8-9 | |
| » W: Ron Reed (1-3) L: Don Gullett (2-1) | Fifth | 3 out |
| Thursday, April 24 |
| » Defeated Braves (9-8), 11-3 | Atlanta-Fulton County Stadium (1-1) | 9-9 | |
| » W: Jack Billingham (1-1) L: Phil Niekro (1-2) | Fourth | 2 out |
| Friday, April 25 |
| » Lost to Astros (6-13), 6-4 | Astrodome (0-1) | 9-10 | |
| » W: Larry Dierker (3-1) L: Pat Darcy (1-1) S: Ken Forsch (2) | Fifth | 3 out |
| Former Red Bruce Edwards dies in Sacramento, CA at the age of 52. |
| Saturday, April 26 |
| » Defeated Astros (6-14), 9-3 | Astrodome (1-1) | 10-10 | |
| » W: Fred Norman (1-1) L: Tom Griffin (0-4) | Fifth | 2 out |
| Sunday, April 27 |
| » Defeated Astros (6-15), 6-2 | Astrodome (2-1) | 11-10 | Won 2 |
| » W: Pedro Borbon (2-1) L: Doug Konieczny (1-3) | Fourth | 1½ out |
| Tuesday, April 29 |
| » Lost to Giants (10-10), 4-3 | Candlestick Park (0-1) | 11-11 | |
| » W: Randy Moffitt (2-0) L: Clay Carroll (3-3) | Fourth | 3 out |
| Wednesday, April 30 |
| » Defeated Giants (10-11), 4-1 | Candlestick Park (1-1) | 12-11 | |
| » W: Jack Billingham (2-1) L: Jim Barr (1-2) S: Will McEnaney (1) | Third | 3 out |
| Friday, May 2 |
| » Lost to Braves (13-12), 6-5 | Riverfront Stadium (7-3) | 12-12 | |
| » W: Gary Gentry (1-1) L: Clay Kirby (1-3) S: Tom House (2) | Fourth | 4 out |
| Saturday, May 3 |
| » Defeated Braves (13-13), 6-1 | Riverfront Stadium (8-3) | 13-12 | |
| » W: Gary Nolan (1-1) L: Roric Harrison (1-1) | Second | 3 out |
| Sunday, May 4 |
| » Defeated Braves (13-14), 3-2 | Riverfront Stadium (9-3) | 14-12 | Won 2 |
| » W: Don Gullett (3-1) L: Phil Niekro (1-3) S: Pedro Borbon (1) | Second | 2 out |
| Tuesday, May 6 |
| » Defeated Padres (13-13), 7-3 | Riverfront Stadium (10-3) | 15-12 | Won 3 |
| » W: Jack Billingham (3-1) L: Sonny Siebert (3-1) | Second | 2½ out |
| Future Red Jim Chamblee is born in Denton, TX. |
| Wednesday, May 7 |
| » Defeated Padres (13-14), 10-2 | Riverfront Stadium (11-3) | 16-12 | Won 4 |
| » W: Fred Norman (2-1) L: Dan Spillner (2-3) S: Clay Carroll (1) | Second | 2½ out |
| Thursday, May 8 |
| » Lost to Padres (14-14), 3-0 | Riverfront Stadium (11-4) | 16-13 | |
| » W: Randy Jones (4-2) L: Gary Nolan (1-2) | Second | 3 out |
| Friday, May 9 |
| » Defeated Mets (10-13), 4-3 | Shea Stadium (1-0) | 17-13 | |
| » W: Don Gullett (4-1) L: Randy Tate (1-2) S: Clay Carroll (2) | Second | 2 out |
| Saturday, May 10 |
| » Defeated Mets (10-14), 7-1 | Shea Stadium (2-0) | 18-13 | Won 2 |
| » W: Clay Kirby (2-3) L: Hank Webb (0-2) S: Will McEnaney (2) | Second | 2 out |
| Sunday, May 11 |
| » Lost to Mets (11-14), 3-2 | Shea Stadium (2-1) | 18-14 | |
| » W: Tom Seaver (4-3) L: Jack Billingham (3-2) | Second | 3 out |
| Tuesday, May 13 |
| » Lost to Phillies (14-14), 4-0 | Veteran's Stadium (0-1) | 18-15 | Lost 2 |
| » W: Tom Underwood (4-3) L: Gary Nolan (1-3) | Second | 4½ out |
| Wednesday, May 14 |
| » Lost to Phillies (15-14), 4-0 | Veteran's Stadium (0-2) | 18-16 | Lost 3 |
| » W: Steve Carlton (2-4) L: Pat Darcy (1-2) | Second | 4½ out |
| Thursday, May 15 |
| » Lost to Phillies (16-14), 6-3 | Veteran's Stadium (0-3) | 18-17 | Lost 4 |
| » W: Tug McGraw (2-0) L: Don Gullett (4-2) | Second | 5½ out |
| » Lost to Phillies (17-14), 5-3 | Veteran's Stadium (0-4) | 18-18 | Lost 5 |
| » W: Gene Garber (2-2) L: Clay Carroll (3-4) S: Tug McGraw (3) | Second | 5½ out |
| Former Red Johnny Gooch dies in Nashville, TN at the age of 78. |
| Friday, May 16 |
| » Lost to Expos (13-16), 4-2 | Parc Jarry (0-1) | 18-19 | Lost 6 |
| » W: Dennis Blair (2-4) L: Jack Billingham (3-3) S: Chuck Taylor (3) | Second | 5½ out |
| Saturday, May 17 |
| » Defeated Expos (13-17), 5-3 | Parc Jarry (1-1) | 19-19 | |
| » W: Will McEnaney (1-0) L: John Montague (0-1) | Second | 5½ out |
| Sunday, May 18 |
| » Defeated Expos (13-18), 6-1 | Parc Jarry (2-1) | 20-19 | Won 2 |
| » W: Gary Nolan (2-3) L: Dave McNally (3-5) | Second | 4½ out |
| » Major-league debuts: Dan Warthen (Expos) |
| Tuesday, May 20 |
| » Lost to Mets (16-15), 6-2 | Riverfront Stadium (11-5) | 20-20 | |
| » W: Jerry Koosman (4-1) L: Don Gullett (4-3) S: Bob Apodaca (3) | Third | 5 out |
| Wednesday, May 21 |
| » Defeated Mets (16-16), 11-4 | Riverfront Stadium (12-5) | 21-20 | |
| » W: Jack Billingham (4-3) L: Tom Seaver (5-4) | Third | 5 out |
| Friday, May 23 |
| » Defeated Phillies (20-18), 5-2 | Riverfront Stadium (13-5) | 22-20 | Won 2 |
| » W: Gary Nolan (3-3) L: Larry Christenson (0-1) S: Clay Carroll (3) | Second | 4½ out |
| Saturday, May 24 |
| » Defeated Phillies (20-19), 3-2 | Riverfront Stadium (14-5) | 23-20 | Won 3 |
| » W: Clay Carroll (4-4) L: Tug McGraw (2-2) | Second | 3½ out |
| Sunday, May 25 |
| » Defeated Phillies (20-20), 4-3 | Riverfront Stadium (15-5) | 24-20 | Won 4 |
| » W: Clay Kirby (3-3) L: Jim Lonborg (3-2) S: Rawly Eastwick (1) | Second | 3½ out |
| Monday, May 26 |
| » Defeated Expos (14-23), 4-3 | Riverfront Stadium (16-5) | 25-20 | Won 5 |
| » W: Clay Carroll (5-4) L: Woodie Fryman (4-2) S: Will McEnaney (3) | Second | 2 out |
| » Defeated Expos (14-24), 5-4 | Riverfront Stadium (17-5) | 26-20 | Won 6 |
| » W: Don Gullett (5-3) L: Steve Renko (0-4) S: Rawly Eastwick (2) | Second | 2 out |
| Wednesday, May 28 |
| » Defeated Expos (14-25), 6-0 | Riverfront Stadium (18-5) | 27-20 | Won 7 |
| » W: Gary Nolan (4-3) L: Dennis Blair (2-6) | Second | 1½ out |
| Friday, May 30 |
| » Lost to Cardinals (19-23), 5-4 | Busch Stadium II (0-1) | 27-21 | |
| » W: Al Hrabosky (2-2) L: Rawly Eastwick (0-1) | Second | 2½ out |
| Saturday, May 31 |
| » Defeated Cardinals (19-24), 6-0 | Busch Stadium II (1-1) | 28-21 | |
| » W: Don Gullett (6-3) L: Bob Gibson (1-5) | Second | 1½ out |
| Sunday, June 1 |
| » Defeated Cardinals (19-25), 5-1 | Busch Stadium II (2-1) | 29-21 | Won 2 |
| » W: Jack Billingham (5-3) L: Bob Forsch (5-4) | Second | ½ out |
| Tuesday, June 3 |
| » Defeated Pirates (24-20), 8-4 | Three Rivers Stadium (1-0) | 30-21 | Won 3 |
| » W: Gary Nolan (5-3) L: Bob Moose (0-2) | First | -- |
| Wednesday, June 4 |
| » Lost to Pirates (25-20), 2-1 | Three Rivers Stadium (1-1) | 30-22 | |
| » W: Jerry Reuss (5-4) L: Fred Norman (2-2) S: Ramon Hernandez (1) | Second | 1 out |
| Friday, June 6 |
| » Defeated Cubs (28-22), 5-1 | Riverfront Stadium (19-5) | 31-22 | |
| » W: Don Gullett (7-3) L: Bill Bonham (5-5) | Second | 1 out |
| Saturday, June 7 |
| » Defeated Cubs (28-23), 8-1 | Riverfront Stadium (20-5) | 32-22 | Won 2 |
| » W: Jack Billingham (6-3) L: Ray Burris (6-5) | First | -- |
| Sunday, June 8 |
| » Defeated Cubs (28-24), 2-1 | Riverfront Stadium (21-5) | 33-22 | Won 3 |
| » W: Gary Nolan (6-3) L: Rick Reuschel (4-6) | First | -- |
| » Defeated Cubs (28-25), 8-5 | Riverfront Stadium (22-5) | 34-22 | Won 4 |
| » W: Pedro Borbon (3-1) L: Geoff Zahn (1-3) S: Will McEnaney (4) | First | -- |
| Former Red Ownie Carroll dies in Orange, NJ at the age of 73. |
| Monday, June 9 |
| » Lost to Pirates (28-22), 9-2 | Riverfront Stadium (22-6) | 34-23 | |
| » W: Jerry Reuss (6-4) L: Fred Norman (2-3) | First | -- |
| Tuesday, June 10 |
| » Lost to Pirates (29-22), 9-5 | Riverfront Stadium (22-7) | 34-24 | Lost 2 |
| » W: Sam McDowell (2-1) L: Pat Darcy (1-3) S: Ramon Hernandez (2) | First | -- |
| Wednesday, June 11 |
| » Defeated Cardinals (26-26), 3-1 | Riverfront Stadium (23-7) | 35-24 | |
| » W: Don Gullett (8-3) L: Bob Forsch (6-5) | First | -- |
| Thursday, June 12 |
| » Defeated Cardinals (26-27), 10-1 | Riverfront Stadium (24-7) | 36-24 | Won 2 |
| » W: Gary Nolan (7-3) L: Lynn McGlothen (6-5) | First | -- |
| Friday, June 13 |
| » Defeated Cubs (29-29), 18-11 | Wrigley Field (1-0) | 37-24 | Won 3 |
| » W: Pedro Borbon (4-1) L: Oscar Zamora (4-2) | First | -- |
| Saturday, June 14 |
| » Defeated Cubs (29-30), 11-3 | Wrigley Field (2-0) | 38-24 | Won 4 |
| » W: Clay Kirby (4-3) L: Steve Stone (5-1) | First | -- |
| Sunday, June 15 |
| » Lost to Cubs (30-30), 4-3 | Wrigley Field (2-1) | 38-25 | |
| » W: Bill Bonham (6-5) L: Pat Darcy (1-4) S: Oscar Zamora (7) | First | -- |
| Monday, June 16 |
| » Defeated Braves (28-36), 9-2 | Riverfront Stadium (25-7) | 39-25 | |
| » W: Don Gullett (9-3) L: Phil Niekro (7-5) | First | -- |
| Tuesday, June 17 |
| » Lost to Braves (29-36), 5-1 | Riverfront Stadium (25-8) | 39-26 | |
| » W: Carl Morton (8-6) L: Gary Nolan (7-4) | First | -- |
| Wednesday, June 18 |
| » Defeated Braves (29-37), 6-1 | Riverfront Stadium (26-8) | 40-26 | |
| » W: Jack Billingham (7-3) L: Blue Moon Odom (1-5) S: Will McEnaney (5) | First | -- |
| Friday, June 20 |
| » Defeated Astros (24-46), 7-3 | Astrodome (3-1) | 41-26 | Won 2 |
| » W: Tom Carroll (1-0) L: Doug Konieczny (4-8) | First | -- |
| Saturday, June 21 |
| » Defeated Astros (24-47), 7-6 | Astrodome (4-1) | 42-26 | Won 3 |
| » W: Fred Norman (3-3) L: Joe Niekro (2-2) | First | -- |
| Sunday, June 22 |
| » Lost to Astros (25-47), 8-4 | Astrodome (4-2) | 42-27 | |
| » W: Larry Dierker (7-7) L: Gary Nolan (7-5) | First | -- |
| Monday, June 23 |
| » Defeated Braves (31-40), 8-4 | Atlanta-Fulton County Stadium (2-1) | 43-27 | |
| » W: Jack Billingham (8-3) L: Jamie Easterly (0-1) | First | -- |
| Former Red Marty Callaghan dies in Norfolk, MA at the age of 76. |
| Tuesday, June 24 |
| » Defeated Braves (31-41), 3-0 | Atlanta-Fulton County Stadium (3-1) | 44-27 | Won 2 |
| » W: Pat Darcy (2-4) L: Phil Niekro (8-6) S: Pedro Borbon (2) | First | -- |
| Wednesday, June 25 |
| » Defeated Braves (31-42), 2-0 | Atlanta-Fulton County Stadium (4-1) | 45-27 | Won 3 |
| » W: Tom Carroll (2-0) L: Carl Morton (8-8) S: Will McEnaney (6) | First | -- |
| Friday, June 27 |
| » Defeated Padres (35-38), 5-2 | Riverfront Stadium (27-8) | 46-27 | Won 4 |
| » W: Will McEnaney (2-0) L: Danny Frisella (1-4) | First | -- |
| Saturday, June 28 |
| » Defeated Padres (35-39), 6-4 | Riverfront Stadium (28-8) | 47-27 | Won 5 |
| » W: Will McEnaney (3-0) L: Dave Tomlin (1-1) | First | -- |
| Sunday, June 29 |
| » Defeated Padres (35-40), 4-1 | Riverfront Stadium (29-8) | 48-27 | Won 6 |
| » W: Jack Billingham (9-3) L: Randy Jones (10-5) S: Will McEnaney (7) | First | -- |
| » Lost to Padres (36-40), 4-3 | Riverfront Stadium (29-9) | 48-28 | |
| » W: Brent Strom (3-1) L: Pat Darcy (2-5) | First | -- |
| Monday, June 30 |
| » Defeated Astros (28-52), 9-6 | Riverfront Stadium (30-9) | 49-28 | |
| » W: Clay Kirby (5-3) L: Joe Niekro (2-3) | First | -- |
| Tuesday, July 1 |
| » Defeated Astros (28-53), 8-7 | Riverfront Stadium (31-9) | 50-28 | Won 2 |
| » W: Pat Darcy (3-5) L: Joe Niekro (2-4) | First | -- |
| Wednesday, July 2 |
| » Defeated Astros (28-54), 4-3 | Riverfront Stadium (32-9) | 51-28 | Won 3 |
| » W: Rawly Eastwick (1-1) L: Larry Dierker (7-9) | First | -- |
| Thursday, July 3 |
| » Lost to Padres (38-42), 2-1 | San Diego/Jack Murphy Stadium (1-3) | 51-29 | |
| » W: Randy Jones (11-5) L: Will McEnaney (3-1) | First | -- |
| Friday, July 4 |
| » Defeated Padres (38-43), 7-6 | San Diego/Jack Murphy Stadium (2-3) | 52-29 | |
| » W: Jack Billingham (10-3) L: Rich Folkers (3-6) S: Will McEnaney (8) | First | -- |
| Saturday, July 5 |
| » Defeated Padres (38-44), 6-3 | San Diego/Jack Murphy Stadium (3-3) | 53-29 | Won 2 |
| » W: Fred Norman (4-3) L: Brent Strom (3-2) S: Rawly Eastwick (3) | First | -- |
| Sunday, July 6 |
| » Defeated Padres (38-45), 13-2 | San Diego/Jack Murphy Stadium (4-3) | 54-29 | Won 3 |
| » W: Clay Kirby (6-3) L: Joe McIntosh (6-7) S: Pedro Borbon (3) | First | -- |
| Monday, July 7 |
| » Defeated Phillies (47-37), 7-3 | Riverfront Stadium (33-9) | 55-29 | Won 4 |
| » W: Pat Darcy (4-5) L: Steve Carlton (7-7) | First | -- |
| Tuesday, July 8 |
| » Defeated Phillies (47-38), 2-1 | Riverfront Stadium (34-9) | 56-29 | Won 5 |
| » W: Gary Nolan (8-5) L: Tom Underwood (9-6) S: Rawly Eastwick (4) | First | -- |
| Wednesday, July 9 |
| » Defeated Phillies (47-39), 9-7 | Riverfront Stadium (35-9) | 57-29 | Won 6 |
| » W: Pedro Borbon (5-1) L: Gene Garber (7-5) | First | -- |
| Friday, July 11 |
| » Defeated Mets (43-39), 4-3 | Riverfront Stadium (36-9) | 58-29 | Won 7 |
| » W: Fred Norman (5-3) L: Jon Matlack (10-7) S: Will McEnaney (9) | First | -- |
| » Defeated Mets (43-40), 4-1 | Riverfront Stadium (37-9) | 59-29 | Won 8 |
| » W: Clay Kirby (7-3) L: Randy Tate (3-8) S: Will McEnaney (10) | First | -- |
| Saturday, July 12 |
| » Defeated Mets (43-41), 3-2 | Riverfront Stadium (38-9) | 60-29 | Won 9 |
| » W: Tom Carroll (3-0) L: Jerry Koosman (8-7) S: Rawly Eastwick (5) | First | -- |
| Sunday, July 13 |
| » Defeated Mets (43-42), 5-3 | Riverfront Stadium (39-9) | 61-29 | Won 10 |
| » W: Will McEnaney (4-1) L: Tom Seaver (13-5) S: Rawly Eastwick (6) | First | -- |
| Thursday, July 17 |
| » Lost to Expos (36-49), 3-0 | Parc Jarry (2-2) | 61-30 | |
| » W: Steve Rogers (6-7) L: Jack Billingham (10-4) S: Dale Murray (4) | First | -- |
| Friday, July 18 |
| » Defeated Expos (36-50), 10-3 | Parc Jarry (3-2) | 62-30 | |
| » W: Gary Nolan (9-5) L: Dennis Blair (6-10) S: Rawly Eastwick (7) | First | -- |
| Former Red Ted Wingfield dies in Johnson City, TN at the age of 76. |
| Saturday, July 19 |
| » Lost to Expos (37-50), 4-2 | Parc Jarry (3-3) | 62-31 | |
| » W: Dale Murray (3-3) L: Pedro Borbon (5-2) | First | -- |
| Sunday, July 20 |
| » Lost to Phillies (53-40), 11-4 | Veteran's Stadium (0-5) | 62-32 | Lost 2 |
| » W: Tom Underwood (10-7) L: Clay Kirby (7-4) S: Gene Garber (7) | First | -- |
| Monday, July 21 |
| » Defeated Phillies (53-41), 10-4 | Veteran's Stadium (1-5) | 63-32 | |
| » W: Pat Darcy (5-5) L: Ron Schueler (3-2) | First | -- |
| Tuesday, July 22 |
| » Lost to Mets (47-44), 3-1 | Shea Stadium (2-2) | 63-33 | |
| » W: Jerry Koosman (9-7) L: Jack Billingham (10-5) | First | -- |
| Wednesday, July 23 |
| » Lost to Mets (48-44), 5-2 | Shea Stadium (2-3) | 63-34 | Lost 2 |
| » W: Jon Matlack (11-8) L: Gary Nolan (9-6) | First | -- |
| Thursday, July 24 |
| » Defeated Mets (48-45), 2-1 | Shea Stadium (3-3) | 64-34 | |
| » W: Fred Norman (6-3) L: Tom Seaver (14-6) S: Rawly Eastwick (8) | First | -- |
| Friday, July 25 |
| » Lost to Dodgers (53-47), 4-3 | Riverfront Stadium (39-10) | 64-35 | |
| » W: Andy Messersmith (13-8) L: Clay Carroll (5-5) S: Mike Marshall (7) | First | -- |
| » Defeated Dodgers (53-48), 6-3 | Riverfront Stadium (40-10) | 65-35 | |
| » W: Pat Darcy (6-5) L: Mike Marshall (6-9) S: Pedro Borbon (4) | First | -- |
| Saturday, July 26 |
| » Defeated Dodgers (53-49), 5-3 | Riverfront Stadium (41-10) | 66-35 | Won 2 |
| » W: Jack Billingham (11-5) L: Doug Rau (8-8) S: Rawly Eastwick (9) | First | -- |
| Sunday, July 27 |
| » Lost to Dodgers (54-49), 5-3 | Riverfront Stadium (41-11) | 66-36 | |
| » W: Don Sutton (14-9) L: Tom Carroll (3-1) S: Mike Marshall (8) | First | -- |
| Monday, July 28 |
| » Defeated Giants (51-51), 8-4 | Riverfront Stadium (42-11) | 67-36 | |
| » W: Pedro Borbon (6-2) L: Ed Halicki (4-8) | First | -- |
| Tuesday, July 29 |
| » Lost to Giants (52-51), 4-2 | Riverfront Stadium (42-12) | 67-37 | |
| » W: Jim Barr (9-8) L: Rawly Eastwick (1-2) | First | -- |
| Wednesday, July 30 |
| » Defeated Giants (52-52), 6-1 | Riverfront Stadium (43-12) | 68-37 | |
| » W: Pat Darcy (7-5) L: Pete Falcone (7-7) | First | -- |
| Thursday, July 31 |
| » Defeated Giants (52-53), 11-6 | Riverfront Stadium (44-12) | 69-37 | Won 2 |
| » W: Clay Kirby (8-4) L: John Montefusco (10-5) S: Clay Carroll (4) | First | -- |
| Friday, August 1 |
| » Lost to Dodgers (56-52), 5-3 | Dodger Stadium (0-5) | 69-38 | |
| » W: Charlie Hough (1-4) L: Pedro Borbon (6-3) | First | -- |
| Saturday, August 2 |
| » Defeated Dodgers (56-53), 1-0 | Dodger Stadium (1-5) | 70-38 | |
| » W: Tom Carroll (4-1) L: Andy Messersmith (13-10) S: Clay Carroll (5) | First | -- |
| Sunday, August 3 |
| » Defeated Dodgers (56-54), 3-1 | Dodger Stadium (2-5) | 71-38 | Won 2 |
| » W: Pat Darcy (8-5) L: Doug Rau (9-9) S: Rawly Eastwick (10) | First | -- |
| Monday, August 4 |
| » Defeated Giants (55-55), 7-5 | Candlestick Park (2-1) | 72-38 | Won 3 |
| » W: Clay Carroll (6-5) L: Mike Caldwell (5-12) S: Rawly Eastwick (11) | First | -- |
| Tuesday, August 5 |
| » Defeated Giants (55-56), 6-3 | Candlestick Park (3-1) | 73-38 | Won 4 |
| » W: Pedro Borbon (7-3) L: Ed Halicki (5-9) S: Will McEnaney (11) | First | -- |
| Wednesday, August 6 |
| » Defeated Giants (55-57), 12-5 | Candlestick Park (4-1) | 74-38 | Won 5 |
| » W: Jack Billingham (12-5) L: Jim Barr (9-9) | First | -- |
| Friday, August 8 |
| » Lost to Expos (48-62), 8-7 | Riverfront Stadium (44-13) | 74-39 | |
| » W: Woodie Fryman (8-6) L: Pedro Borbon (7-4) | First | -- |
| Saturday, August 9 |
| » Defeated Expos (48-63), 9-1 | Riverfront Stadium (45-13) | 75-39 | |
| » W: Gary Nolan (10-6) L: Dennis Blair (7-13) S: Clay Carroll (6) | First | -- |
| Sunday, August 10 |
| » Defeated Expos (48-64), 11-3 | Riverfront Stadium (46-13) | 76-39 | Won 2 |
| » W: Fred Norman (7-3) L: Don Carrithers (1-1) S: Rawly Eastwick (12) | First | -- |
| Monday, August 11 |
| » Defeated Cubs (55-64), 9-3 | Riverfront Stadium (47-13) | 77-39 | Won 3 |
| » W: Jack Billingham (13-5) L: Rick Reuschel (8-13) | First | -- |
| Tuesday, August 12 |
| » Defeated Cubs (55-65), 12-8 | Riverfront Stadium (48-13) | 78-39 | Won 4 |
| » W: Rawly Eastwick (2-2) L: Darold Knowles (4-6) | First | -- |
| Former Red Lew Riggs dies in Durham, NC at the age of 66. |
| Thursday, August 14 |
| » Defeated Pirates (67-52), 6-1 | Riverfront Stadium (49-13) | 79-39 | Won 5 |
| » W: Gary Nolan (11-6) L: Jerry Reuss (12-9) | First | -- |
| Friday, August 15 |
| » Defeated Pirates (67-53), 8-3 | Riverfront Stadium (50-13) | 80-39 | Won 6 |
| » W: Fred Norman (8-3) L: Jim Rooker (8-9) | First | -- |
| Saturday, August 16 |
| » Defeated Pirates (67-54), 5-3 | Riverfront Stadium (51-13) | 81-39 | Won 7 |
| » W: Jack Billingham (14-5) L: John Candelaria (6-3) S: Rawly Eastwick (13) | First | -- |
| Sunday, August 17 |
| » Defeated Pirates (67-55), 3-1 | Riverfront Stadium (52-13) | 82-39 | Won 8 |
| » W: Pat Darcy (9-5) L: Bruce Kison (9-10) S: Rawly Eastwick (14) | First | -- |
| Monday, August 18 |
| » Defeated Cardinals (65-58), 3-2 | Busch Stadium II (3-1) | 83-39 | Won 9 |
| » W: Don Gullett (10-3) L: Bob Forsch (11-9) S: Rawly Eastwick (15) | First | -- |
| Tuesday, August 19 |
| » Lost to Cardinals (66-58), 2-1 | Busch Stadium II (3-2) | 83-40 | |
| » W: Lynn McGlothen (13-9) L: Gary Nolan (11-7) | First | -- |
| Wednesday, August 20 |
| » Lost to Cardinals (67-58), 4-0 | Busch Stadium II (3-3) | 83-41 | Lost 2 |
| » W: Ron Reed (12-9) L: Fred Norman (8-4) | First | -- |
| Friday, August 22 |
| » Lost to Pirates (70-55), 7-2 | Three Rivers Stadium (1-2) | 83-42 | Lost 3 |
| » W: Larry Demery (6-3) L: Jack Billingham (14-6) | First | -- |
| » Lost to Pirates (71-55), 4-2 | Three Rivers Stadium (1-3) | 83-43 | Lost 4 |
| » W: John Candelaria (7-3) L: Will McEnaney (4-2) S: Dave Giusti (14) | First | -- |
| Saturday, August 23 |
| » Defeated Pirates (71-56), 12-7 | Three Rivers Stadium (2-3) | 84-43 | |
| » W: Clay Kirby (9-4) L: Bruce Kison (9-11) S: Rawly Eastwick (16) | First | -- |
| Sunday, August 24 |
| » Lost to Pirates (72-56), 5-1 | Three Rivers Stadium (2-4) | 84-44 | |
| » W: Jerry Reuss (14-9) L: Gary Nolan (11-8) | First | -- |
| Monday, August 25 |
| » Defeated Cubs (60-71), 11-4 | Wrigley Field (3-1) | 85-44 | |
| » W: Fred Norman (9-4) L: Rick Reuschel (10-14) S: Clay Carroll (7) | First | -- |
| Tuesday, August 26 |
| » Defeated Cubs (60-72), 6-5 | Wrigley Field (4-1) | 86-44 | Won 2 |
| » W: Rawly Eastwick (3-2) L: Steve Stone (11-7) S: Will McEnaney (12) | First | -- |
| Wednesday, August 27 |
| » Defeated Cubs (60-73), 6-5 | Wrigley Field (5-1) | 87-44 | Won 3 |
| » W: Pedro Borbon (8-4) L: Bill Bonham (11-12) S: Rawly Eastwick (17) | First | -- |
| Thursday, August 28 |
| » Defeated Cardinals (71-61), 4-0 | Riverfront Stadium (53-13) | 88-44 | Won 4 |
| » W: Don Gullett (11-3) L: Mike Garman (3-5) | First | -- |
| Friday, August 29 |
| » Defeated Cardinals (71-62), 6-2 | Riverfront Stadium (54-13) | 89-44 | Won 5 |
| » W: Gary Nolan (12-8) L: Lynn McGlothen (13-10) S: Will McEnaney (13) | First | -- |
| Future Red John Riedling is born in Fort Lauderdale, FL. |
| Saturday, August 30 |
| » Defeated Cardinals (71-63), 3-2 | Riverfront Stadium (55-13) | 90-44 | Won 6 |
| » W: Rawly Eastwick (4-2) L: Mike Garman (3-6) | First | -- |
| Sunday, August 31 |
| » Lost to Cardinals (72-63), 5-3 | Riverfront Stadium (55-14) | 90-45 | |
| » W: Eric Rasmussen (4-2) L: Jack Billingham (14-7) S: Jack Curtis (1) | First | -- |
| Monday, September 1 |
| » Lost to Padres (62-75), 2-1 | Riverfront Stadium (55-15) | 90-46 | Lost 2 |
| » W: Randy Jones (18-8) L: Pedro Borbon (8-5) | First | -- |
| Tuesday, September 2 |
| » Defeated Padres (62-76), 10-4 | Riverfront Stadium (56-15) | 91-46 | |
| » W: Don Gullett (12-3) L: Dan Spillner (5-12) | First | -- |
| Wednesday, September 3 |
| » Defeated Dodgers (73-66), 13-2 | Riverfront Stadium (57-15) | 92-46 | Won 2 |
| » W: Gary Nolan (13-8) L: Andy Messersmith (15-14) | First | -- |
| Thursday, September 4 |
| » Lost to Dodgers (74-66), 3-2 | Riverfront Stadium (57-16) | 92-47 | |
| » W: Doug Rau (13-9) L: Clay Kirby (9-5) | First | -- |
| Friday, September 5 |
| » Defeated Giants (70-70), 4-3 | Riverfront Stadium (58-16) | 93-47 | |
| » W: Rawly Eastwick (5-2) L: Dave Heaverlo (2-1) | First | -- |
| Saturday, September 6 |
| » Defeated Giants (70-71), 3-2 | Riverfront Stadium (59-16) | 94-47 | Won 2 |
| » W: Jack Billingham (15-7) L: Ed Halicki (9-12) S: Will McEnaney (14) | First | -- |
| Sunday, September 7 |
| » Defeated Giants (70-72), 8-4 | Riverfront Stadium (60-16) | 95-47 | Won 3 |
| » W: Don Gullett (13-3) L: Pete Falcone (11-10) | First | -- |
| » Major-league debuts: Rob Dressler and Greg Minton (Giants) |
| Monday, September 8 |
| » Defeated Padres (64-80), 3-2 | San Diego/Jack Murphy Stadium (5-3) | 96-47 | Won 4 |
| » W: Clay Carroll (7-5) L: Bill Greif (4-6) S: Rawly Eastwick (18) | First | -- |
| Tuesday, September 9 |
| » Lost to Padres (65-80), 11-2 | San Diego/Jack Murphy Stadium (5-4) | 96-48 | |
| » W: Rich Folkers (6-9) L: Clay Kirby (9-6) | First | -- |
| Wednesday, September 10 |
| » Lost to Dodgers (78-68), 3-2 | Dodger Stadium (2-6) | 96-49 | Lost 2 |
| » W: Burt Hooton (16-9) L: Rawly Eastwick (5-3) | First | -- |
| Thursday, September 11 |
| » Lost to Dodgers (79-68), 5-2 | Dodger Stadium (2-7) | 96-50 | Lost 3 |
| » W: Rick Rhoden (2-2) L: Jack Billingham (15-8) | First | -- |
| Friday, September 12 |
| » Defeated Giants (70-77), 6-3 | Candlestick Park (5-1) | 97-50 | |
| » W: Fred Norman (10-4) L: John Montefusco (13-9) S: Rawly Eastwick (19) | First | -- |
| » Major-league debuts: Gary Alexander and Jack Clark (Giants) |
| Saturday, September 13 |
| » Lost to Giants (71-77), 9-2 | Candlestick Park (5-2) | 97-51 | |
| » W: Jim Barr (12-13) L: Don Gullett (13-4) | First | -- |
| Sunday, September 14 |
| » Lost to Giants (72-77), 4-2 | Candlestick Park (5-3) | 97-52 | Lost 2 |
| » W: Dave Heaverlo (3-1) L: Gary Nolan (13-9) | First | -- |
| » Defeated Giants (72-78), 8-3 | Candlestick Park (6-3) | 98-52 | |
| » W: Pat Darcy (10-5) L: Greg Minton (0-1) | First | -- |
| Tuesday, September 16 |
| » Lost to Astros (60-91), 5-1 | Riverfront Stadium (60-17) | 98-53 | |
| » W: Larry Dierker (14-15) L: Jack Billingham (15-9) | First | -- |
| Wednesday, September 17 |
| » Defeated Astros (60-92), 10-1 | Riverfront Stadium (61-17) | 99-53 | |
| » W: Fred Norman (11-4) L: Mike Stanton (0-1) | First | -- |
| Thursday, September 18 |
| » Defeated Braves (66-88), 4-3 | Atlanta-Fulton County Stadium (5-1) | |
