| Monday, January 12 |
| Future Red Nigel Wilson is born in Oshawa, ON. |
| Wednesday, January 14 |
| Future Red Steve Cooke is born in Lihue, HI. |
| Friday, January 16 |
| Future Red Ron Villone is born in Englewood, NJ. |
| Monday, January 19 |
| Future Red Rick Krivda is born in McKeesport, PA. |
| Friday, January 23 |
| Future Red Mark Wohlers is born in Holyoke, MA. |
| Friday, February 6 |
| Future Red Mark Hutton is born in South Adelaide, Australia. |
| Saturday, February 21 |
| Former Red Joe Shaute dies in Scranton, PA at the age of 71. |
| Monday, April 6 |
| » Defeated Expos (0-1), 5-1 | Crosley Field (1-0) | 1-0 | |
| » Starters: Joe Sparma vs Jim Merritt | First | -- |
| » Major-league debuts: Dave Concepcion (Reds) |
| Future Red Tim Belk is born in Cincinnati, OH. |
| Tuesday, April 7 |
| » Defeated Dodgers (0-1), 4-0 | Dodger Stadium (1-0) | 2-0 | Won 2 |
| » Starters: Gary Nolan vs Claude Osteen | First | -- |
| Wednesday, April 8 |
| » Defeated Dodgers (0-2), 5-2 | Dodger Stadium (2-0) | 3-0 | Won 3 |
| » Starters: Jim McGlothlin vs Bill Singer | First | -- |
| Former Red Lee Handley dies in Pittsburgh, PA at the age of 57. |
| Thursday, April 9 |
| » Defeated Dodgers (0-3), 3-0 | Dodger Stadium (3-0) | 4-0 | Won 4 |
| » Starters: Wayne Simpson vs Don Sutton | First | -- |
| » Major-league debuts: Wayne Simpson (Reds) |
| Friday, April 10 |
| » Lost to Giants (3-1), 4-3 | Candlestick Park (0-1) | 4-1 | |
| » Starters: Ray Washburn vs Rich Robertson | First | -- |
| » Major-league debuts: Don Gullett (Reds) |
| Saturday, April 11 |
| » Lost to Giants (4-1), 2-1 | Candlestick Park (0-2) | 4-2 | Lost 2 |
| » Starters: Jim Merritt vs Gaylord Perry | Second | ½ out |
| Sunday, April 12 |
| » Defeated Giants (4-2), 6-5 | Candlestick Park (1-2) | 5-2 | |
| » Starters: Jim Maloney vs Mike McCormick | First | -- |
| » Defeated Giants (4-3), 5-2 | Candlestick Park (2-2) | 6-2 | Won 2 |
| » Starters: Gary Nolan vs Ron Bryant | First | -- |
| Monday, April 13 |
| » Lost to Padres (4-3), 3-1 | Crosley Field (1-1) | 6-3 | |
| » Starters: Al Santorini vs Jim McGlothlin | First | -- |
| Tuesday, April 14 |
| » Defeated Padres (4-4), 6-1 | Crosley Field (2-1) | 7-3 | |
| » Starters: Clay Kirby vs Wayne Simpson | First | -- |
| Future Red Steve Avery is born in Trenton, MI. |
| Wednesday, April 15 |
| » Defeated Dodgers (3-6), 3-2 | Crosley Field (3-1) | 8-3 | Won 2 |
| » Starters: Claude Osteen vs Jim Merritt | First | -- |
| Thursday, April 16 |
| » Defeated Dodgers (3-7), 12-2 | Crosley Field (4-1) | 9-3 | Won 3 |
| » Starters: Bill Singer vs Jim Maloney | First | -- |
| Friday, April 17 |
| » Defeated Giants (6-6), 8-5 | Crosley Field (5-1) | 10-3 | Won 4 |
| » Starters: Rich Robertson vs Gary Nolan | First | -- |
| Saturday, April 18 |
| » Lost to Giants (7-6), 16-9 | Crosley Field (5-2) | 10-4 | |
| » Starters: Frank Reberger vs Jim McGlothlin | First | -- |
| Sunday, April 19 |
| » Defeated Giants (7-7), 6-0 | Crosley Field (6-2) | 11-4 | |
| » Starters: Gaylord Perry vs Wayne Simpson | First | -- |
| Monday, April 20 |
| » Defeated Braves (5-8), 6-2 | Atlanta-Fulton County Stadium (1-0) | 12-4 | Won 2 |
| » Starters: Jim Merritt vs George Stone | First | -- |
| Tuesday, April 21 |
| » Defeated Braves (5-9), 13-8 | Atlanta-Fulton County Stadium (2-0) | 13-4 | Won 3 |
| » Starters: Gary Nolan vs Phil Niekro | First | -- |
| Friday, April 24 |
| » Lost to Cardinals (8-4), 3-1 | Busch Stadium II (0-1) | 13-5 | |
| » Starters: Wayne Simpson vs George Culver | First | -- |
| Saturday, April 25 |
| » Defeated Cardinals (8-5), 3-2 | Busch Stadium II (1-1) | 14-5 | |
| » Starters: Jim Merritt vs Steve Carlton | First | -- |
| Sunday, April 26 |
| » Lost to Cardinals (9-5), 4-1 | Busch Stadium II (1-2) | 14-6 | |
| » Starters: Jim McGlothlin vs Bob Gibson | First | -- |
| Tuesday, April 28 |
| » Defeated Astros (7-13), 4-2 | Crosley Field (7-2) | 15-6 | |
| » Starters: Denny Lemaster vs Gary Nolan | First | -- |
| Wednesday, April 29 |
| » Defeated Astros (7-14), 5-3 | Crosley Field (8-2) | 16-6 | Won 2 |
| » Starters: Tom Griffin vs Jim Merritt | First | -- |
| Friday, May 1 |
| » Defeated Pirates (11-9), 6-4 | Crosley Field (9-2) | 17-6 | Won 3 |
| » Starters: Dock Ellis vs Wayne Simpson | First | -- |
| Saturday, May 2 |
| » Defeated Pirates (11-10), 7-2 | Crosley Field (10-2) | 18-6 | Won 4 |
| » Starters: Bob Veale vs Jim McGlothlin | First | -- |
| Sunday, May 3 |
| » Defeated Pirates (11-11), 11-7 | Crosley Field (11-2) | 19-6 | Won 5 |
| » Starters: Steve Blass vs Jim Merritt | First | -- |
| Monday, May 4 |
| » Defeated Cardinals (10-11), 7-3 | Crosley Field (12-2) | 20-6 | Won 6 |
| » Starters: Mike Torrez vs Gary Nolan | First | -- |
| Tuesday, May 5 |
| » Defeated Cardinals (10-12), 5-1 | Crosley Field (13-2) | 21-6 | Won 7 |
| » Starters: Steve Carlton vs Wayne Simpson | First | -- |
| Thursday, May 7 |
| » Defeated Cubs (13-10), 5-2 | Wrigley Field (1-0) | 22-6 | Won 8 |
| » Starters: Jim McGlothlin vs Joe Decker | First | -- |
| Future Red Brook Fordyce is born in New London, CT. |
| Friday, May 8 |
| » Lost to Cubs (14-10), 10-7 | Wrigley Field (1-1) | 22-7 | |
| » Starters: Jim Merritt vs Ken Holtzman | First | -- |
| Saturday, May 9 |
| » Lost to Cubs (15-10), 8-1 | Wrigley Field (1-2) | 22-8 | Lost 2 |
| » Starters: Gary Nolan vs Bill Hands | First | -- |
| Sunday, May 10 |
| » Defeated Cubs (15-11), 7-6 | Wrigley Field (2-2) | 23-8 | |
| » Starters: Wayne Simpson vs Fergie Jenkins | First | -- |
| Monday, May 11 |
| » Lost to Pirates (14-16), 4-1 | Forbes Field (0-1) | 23-9 | |
| » Starters: Jim McGlothlin vs Bob Veale | First | -- |
| Tuesday, May 12 |
| » Defeated Pirates (14-17), 5-3 | Forbes Field (1-1) | 24-9 | |
| » Starters: Jim Merritt vs Steve Blass | First | -- |
| Friday, May 15 |
| » Lost to Braves (19-13), 3-1 | Crosley Field (13-3) | 24-10 | |
| » Starters: Jim Nash vs Gary Nolan | First | -- |
| Saturday, May 16 |
| » Defeated Braves (19-14), 2-0 | Crosley Field (14-3) | 25-10 | |
| » Starters: Phil Niekro vs Jim McGlothlin | First | -- |
| Former Red Dutch Ruether dies in Phoenix, AZ at the age of 77. |
| Sunday, May 17 |
| » Defeated Braves (19-15), 5-1 | Crosley Field (15-3) | 26-10 | Won 2 |
| » Starters: Pat Jarvis vs Jim Merritt | First | -- |
| » Defeated Braves (19-16), 7-6 | Crosley Field (16-3) | 27-10 | Won 3 |
| » Starters: George Stone vs Wayne Simpson | First | -- |
| Monday, May 18 |
| » Lost to Cubs (18-15), 12-5 | Crosley Field (16-4) | 27-11 | |
| » Starters: Bill Hands vs Ray Washburn | First | -- |
| Tuesday, May 19 |
| » Defeated Cubs (18-16), 3-1 | Crosley Field (17-4) | 28-11 | |
| » Starters: Joe Decker vs Gary Nolan | First | -- |
| Thursday, May 21 |
| » Defeated Astros (19-22), 3-0 | Astrodome (1-0) | 29-11 | Won 2 |
| » Starters: Jim McGlothlin vs Denny Lemaster | First | -- |
| Friday, May 22 |
| » Defeated Astros (19-23), 5-2 | Astrodome (2-0) | 30-11 | Won 3 |
| » Starters: Jim Merritt vs Larry Dierker | First | -- |
| Saturday, May 23 |
| » Defeated Astros (19-24), 14-3 | Astrodome (3-0) | 31-11 | Won 4 |
| » Starters: Wayne Simpson vs Don Wilson | First | -- |
| Sunday, May 24 |
| » Lost to Astros (20-24), 10-7 | Astrodome (3-1) | 31-12 | |
| » Starters: Gary Nolan vs Jim Bouton | First | -- |
| Monday, May 25 |
| » Defeated Padres (19-28), 2-1 | San Diego/Jack Murphy Stadium (1-0) | 32-12 | |
| » Starters: Jim McGlothlin vs Clay Kirby | First | -- |
| Future Red Joey Eischen is born in West Covina, CA. |
| Tuesday, May 26 |
| » Lost to Padres (20-28), 8-1 | San Diego/Jack Murphy Stadium (1-1) | 32-13 | |
| » Starters: Jim Merritt vs Mike Corkins | First | -- |
| » Lost to Padres (21-28), 4-1 | San Diego/Jack Murphy Stadium (1-2) | 32-14 | Lost 2 |
| » Starters: Pedro Borbon vs Danny Coombs | First | -- |
| Wednesday, May 27 |
| » Defeated Padres (21-29), 6-4 | San Diego/Jack Murphy Stadium (2-2) | 33-14 | |
| » Starters: Wayne Simpson vs Gary Ross | First | -- |
| Friday, May 29 |
| » Defeated Expos (16-28), 6-4 | Crosley Field (18-4) | 34-14 | Won 2 |
| » Starters: Mike Wegener vs Gary Nolan | First | -- |
| Saturday, May 30 |
| » Defeated Expos (16-29), 5-4 | Crosley Field (19-4) | 35-14 | Won 3 |
| » Starters: Bill Stoneman vs Jim McGlothlin | First | -- |
| Future Red John Courtright is born in Marion, OH. |
| Sunday, May 31 |
| » Defeated Expos (16-30), 6-4 | Crosley Field (20-4) | 36-14 | Won 4 |
| » Starters: Dan McGinn vs Jim Merritt | First | -- |
| Tuesday, June 2 |
| » Defeated Phillies (20-28), 7-2 | Crosley Field (21-4) | 37-14 | Won 5 |
| » Starters: Woodie Fryman vs Wayne Simpson | First | -- |
| Future Red Mike Kelly is born in Los Angeles, CA. |
| Wednesday, June 3 |
| » Lost to Phillies (21-28), 11-4 | Crosley Field (21-5) | 37-15 | |
| » Starters: Jim Bunning vs Gary Nolan | First | -- |
| Former Red Jakie May dies in Wendell, NC at the age of 75. |
| Friday, June 5 |
| » Defeated Mets (25-26), 5-4 | Crosley Field (22-5) | 38-15 | |
| » Starters: Nolan Ryan vs Jim McGlothlin | First | -- |
| Saturday, June 6 |
| » Defeated Mets (25-27), 5-1 | Crosley Field (23-5) | 39-15 | Won 2 |
| » Starters: Ray Sadecki vs Jim Merritt | First | -- |
| Sunday, June 7 |
| » Defeated Mets (25-28), 10-2 | Crosley Field (24-5) | 40-15 | Won 3 |
| » Starters: Gary Gentry vs Wayne Simpson | First | -- |
| Tuesday, June 9 |
| » Defeated Expos (19-34), 6-4 | Parc Jarry (1-0) | 41-15 | Won 4 |
| » Starters: Gary Nolan vs Balor Moore | First | -- |
| Wednesday, June 10 |
| » Defeated Expos (19-35), 7-0 | Parc Jarry (2-0) | 42-15 | Won 5 |
| » Starters: Jim McGlothlin vs Mike Wegener | First | -- |
| Thursday, June 11 |
| » Lost to Expos (20-35), 8-4 | Parc Jarry (2-1) | 42-16 | |
| » Starters: Jim Merritt vs Carl Morton | First | -- |
| Future Red Bill Selby is born in Monroeville, AL. |
| Friday, June 12 |
| » Defeated Phillies (24-32), 3-1 | Shibe Park (1-0) | 43-16 | |
| » Starters: Wayne Simpson vs Woodie Fryman | First | -- |
| Saturday, June 13 |
| » Lost to Phillies (25-32), 6-3 | Shibe Park (1-1) | 43-17 | |
| » Starters: Gary Nolan vs Jim Bunning | First | -- |
| Sunday, June 14 |
| » Defeated Phillies (25-33), 10-1 | Shibe Park (2-1) | 44-17 | |
| » Starters: Jim McGlothlin vs Chris Short | First | -- |
| Tuesday, June 16 |
| » Lost to Mets (31-29), 8-1 | Shea Stadium (0-1) | 44-18 | |
| » Starters: Jim Merritt vs Jim McAndrew | First | -- |
| Wednesday, June 17 |
| » Defeated Mets (31-30), 7-4 | Shea Stadium (1-1) | 45-18 | |
| » Starters: Wayne Simpson vs Gary Gentry | First | -- |
| Friday, June 19 |
| » Lost to Dodgers (36-28), 6-1 | Crosley Field (24-6) | 45-19 | |
| » Starters: Bill Singer vs Gary Nolan | First | -- |
| Saturday, June 20 |
| » Defeated Dodgers (36-29), 5-4 | Crosley Field (25-6) | 46-19 | |
| » Starters: Joe Moeller vs Jim McGlothlin | First | -- |
| Sunday, June 21 |
| » Lost to Dodgers (37-29), 9-3 | Crosley Field (25-7) | 46-20 | |
| » Starters: Don Sutton vs Jim Merritt | First | -- |
| » Defeated Dodgers (37-30), 9-3 | Crosley Field (26-7) | 47-20 | |
| » Starters: Claude Osteen vs Wayne Simpson | First | -- |
| Monday, June 22 |
| » Lost to Giants (32-35), 13-6 | Crosley Field (26-8) | 47-21 | |
| » Starters: Rich Robertson vs Don Gullett | First | -- |
| Tuesday, June 23 |
| » Defeated Giants (32-36), 5-3 | Crosley Field (27-8) | 48-21 | |
| » Starters: Mike McCormick vs Gary Nolan | First | -- |
| Wednesday, June 24 |
| » Defeated Giants (32-37), 5-4 | Crosley Field (28-8) | 49-21 | Won 2 |
| » Starters: Juan Marichal vs Jim McGlothlin | First | -- |
| Friday, June 26 |
| » Defeated Astros (31-41), 3-2 | Astrodome (4-1) | 50-21 | Won 3 |
| » Starters: Wayne Simpson vs Larry Dierker | First | -- |
| Saturday, June 27 |
| » Defeated Astros (31-42), 5-2 | Astrodome (5-1) | 51-21 | Won 4 |
| » Starters: Jim Merritt vs Tom Griffin | First | -- |
| Future Red Ricardo Jordan is born in Boynton Beach, FL. |
| Sunday, June 28 |
| » Defeated Astros (31-43), 3-2 | Astrodome (6-1) | 52-21 | Won 5 |
| » Starters: Gary Nolan vs Don Wilson | First | -- |
| Tuesday, June 30 |
| » Lost to Braves (37-35), 8-2 | Riverfront Stadium (0-1) | 52-22 | |
| » Starters: Pat Jarvis vs Jim McGlothlin | First | -- |
| Wednesday, July 1 |
| » Defeated Braves (37-36), 9-2 | Riverfront Stadium (1-1) | 53-22 | |
| » Starters: Ron Reed vs Wayne Simpson | First | -- |
| Thursday, July 2 |
| » Defeated Braves (37-37), 2-1 | Riverfront Stadium (2-1) | 54-22 | Won 2 |
| » Starters: George Stone vs Jim Merritt | First | -- |
| Friday, July 3 |
| » Defeated Astros (33-45), 3-0 | Riverfront Stadium (3-1) | 55-22 | Won 3 |
| » Starters: Don Wilson vs Gary Nolan | First | -- |
| » Lost to Astros (34-45), 10-4 | Riverfront Stadium (3-2) | 55-23 | |
| » Starters: Tom Griffin vs Tony Cloninger | First | -- |
| Saturday, July 4 |
| » Defeated Astros (34-46), 3-0 | Riverfront Stadium (4-2) | 56-23 | |
| » Starters: Jack Billingham vs Jim McGlothlin | First | -- |
| Sunday, July 5 |
| » Defeated Astros (34-47), 3-1 | Riverfront Stadium (5-2) | 57-23 | Won 2 |
| » Starters: Denny Lemaster vs Wayne Simpson | First | -- |
| Monday, July 6 |
| » Defeated Padres (32-52), 5-0 | Riverfront Stadium (6-2) | 58-23 | Won 3 |
| » Starters: Al Santorini vs Jim Merritt | First | -- |
| Tuesday, July 7 |
| » Defeated Padres (32-53), 3-0 | Riverfront Stadium (7-2) | 59-23 | Won 4 |
| » Starters: Pat Dobson vs Gary Nolan | First | -- |
| Former Red Harry Wolter dies in Palo Alto, CA at the age of 86. |
| Wednesday, July 8 |
| » Lost to Padres (33-53), 3-1 | Riverfront Stadium (7-3) | 59-24 | |
| » Starters: Clay Kirby vs Jim McGlothlin | First | -- |
| Thursday, July 9 |
| » Lost to Padres (34-53), 10-9 | Riverfront Stadium (7-4) | 59-25 | Lost 2 |
| » Starters: Dave Roberts vs Wayne Simpson | First | -- |
| Friday, July 10 |
| » Lost to Braves (42-41), 11-9 | Atlanta-Fulton County Stadium (2-1) | 59-26 | Lost 3 |
| » Starters: Jim Merritt vs Ron Reed | First | -- |
| » Defeated Braves (42-42), 3-1 | Atlanta-Fulton County Stadium (3-1) | 60-26 | |
| » Starters: Tony Cloninger vs George Stone | First | -- |
| Saturday, July 11 |
| » Defeated Braves (42-43), 7-6 | Atlanta-Fulton County Stadium (4-1) | 61-26 | Won 2 |
| » Starters: Gary Nolan vs Phil Niekro | First | -- |
| Sunday, July 12 |
| » Defeated Braves (42-44), 6-5 | Atlanta-Fulton County Stadium (5-1) | 62-26 | Won 3 |
| » Starters: Wayne Simpson vs Jim Nash | First | -- |
| Thursday, July 16 |
| » Defeated Pirates (50-40), 3-2 | Three Rivers Stadium (1-0) | 63-26 | Won 4 |
| » Starters: Gary Nolan vs Dock Ellis | First | -- |
| Friday, July 17 |
| » Lost to Pirates (51-40), 4-3 | Three Rivers Stadium (1-1) | 63-27 | |
| » Starters: Wayne Simpson vs Jim Nelson | First | -- |
| Saturday, July 18 |
| » Defeated Pirates (51-41), 3-1 | Three Rivers Stadium (2-1) | 64-27 | |
| » Starters: Jim Merritt vs Bob Veale | First | -- |
| Sunday, July 19 |
| » Lost to Pirates (52-41), 7-3 | Three Rivers Stadium (2-2) | 64-28 | |
| » Starters: Jim McGlothlin vs Luke Walker | First | -- |
| Monday, July 20 |
| » Defeated Cardinals (41-50), 4-3 | Busch Stadium II (2-2) | 65-28 | |
| » Starters: Gary Nolan vs Jerry Reuss | First | -- |
| » Defeated Cardinals (41-51), 4-0 | Busch Stadium II (3-2) | 66-28 | Won 2 |
| » Starters: Tony Cloninger vs Chuck Taylor | First | -- |
| Tuesday, July 21 |
| » Defeated Cardinals (41-52), 6-5 | Busch Stadium II (4-2) | 67-28 | Won 3 |
| » Starters: Wayne Simpson vs Steve Carlton | First | -- |
| Wednesday, July 22 |
| » Lost to Cubs (47-46), 10-2 | Wrigley Field (2-3) | 67-29 | |
| » Starters: Jim Merritt vs Bill Hands | First | -- |
| Thursday, July 23 |
| » Lost to Cubs (48-46), 1-0 | Wrigley Field (2-4) | 67-30 | Lost 2 |
| » Starters: Jim McGlothlin vs Milt Pappas | First | -- |
| Friday, July 24 |
| » Defeated Cardinals (41-55), 4-0 | Riverfront Stadium (8-4) | 68-30 | |
| » Starters: Mike Torrez vs Gary Nolan | First | -- |
| Saturday, July 25 |
| » Defeated Cardinals (41-56), 5-3 | Riverfront Stadium (9-4) | 69-30 | Won 2 |
| » Starters: Jerry Reuss vs Tony Cloninger | First | -- |
| Sunday, July 26 |
| » Defeated Cardinals (41-57), 12-5 | Riverfront Stadium (10-4) | 70-30 | Won 3 |
| » Starters: Steve Carlton vs Wayne Simpson | First | -- |
| Monday, July 27 |
| » Lost to Cardinals (42-57), 16-9 | Riverfront Stadium (10-5) | 70-31 | |
| » Starters: Nelson Briles vs Jim Merritt | First | -- |
| Tuesday, July 28 |
| » Lost to Pirates (56-45), 4-3 | Riverfront Stadium (10-6) | 70-32 | Lost 2 |
| » Starters: Bruce DalCanton vs Jim McGlothlin | First | -- |
| Wednesday, July 29 |
| » Defeated Pirates (56-46), 4-3 | Riverfront Stadium (11-6) | 71-32 | |
| » Starters: Dock Ellis vs Gary Nolan | First | -- |
| Thursday, July 30 |
| » Defeated Pirates (56-47), 8-4 | Riverfront Stadium (12-6) | 72-32 | Won 2 |
| » Starters: Bob Veale vs Tony Cloninger | First | -- |
| Friday, July 31 |
| » Lost to Cubs (53-49), 7-1 | Riverfront Stadium (12-7) | 72-33 | |
| » Starters: Bill Hands vs Wayne Simpson | First | -- |
| » Lost to Cubs (54-49), 11-7 | Riverfront Stadium (12-8) | 72-34 | Lost 2 |
| » Starters: Jim Colborn vs Jim Merritt | First | -- |
| Saturday, August 1 |
| » Defeated Cubs (54-50), 6-4 | Riverfront Stadium (13-8) | 73-34 | |
| » Starters: Milt Pappas vs Jim McGlothlin | First | -- |
| Sunday, August 2 |
| » Defeated Cubs (54-51), 4-3 | Riverfront Stadium (14-8) | 74-34 | Won 2 |
| » Starters: Ken Holtzman vs Gary Nolan | First | -- |
| Monday, August 3 |
| » Lost to Padres (43-65), 10-3 | San Diego/Jack Murphy Stadium (2-3) | 74-35 | |
| » Starters: Tony Cloninger vs Clay Kirby | First | -- |
| Tuesday, August 4 |
| » Defeated Padres (43-66), 12-1 | San Diego/Jack Murphy Stadium (3-3) | 75-35 | |
| » Starters: Jim Merritt vs Pat Dobson | First | -- |
| Wednesday, August 5 |
| » Lost to Giants (52-55), 5-3 | Candlestick Park (2-3) | 75-36 | |
| » Starters: Jim McGlothlin vs Gaylord Perry | First | -- |
| Thursday, August 6 |
| » Lost to Giants (53-55), 9-3 | Candlestick Park (2-4) | 75-37 | Lost 2 |
| » Starters: Ray Washburn vs Frank Reberger | First | -- |
| Friday, August 7 |
| » Defeated Dodgers (61-48), 4-2 | Dodger Stadium (4-0) | 76-37 | |
| » Starters: Gary Nolan vs Joe Moeller | First | -- |
| Saturday, August 8 |
| » Defeated Dodgers (61-49), 10-5 | Dodger Stadium (5-0) | 77-37 | Won 2 |
| » Starters: Tony Cloninger vs Bill Singer | First | -- |
| Sunday, August 9 |
| » Lost to Dodgers (62-49), 7-3 | Dodger Stadium (5-1) | 77-38 | |
| » Starters: Jim Merritt vs Don Sutton | First | -- |
| » Lost to Dodgers (63-49), 13-3 | Dodger Stadium (5-2) | 77-39 | Lost 2 |
| » Starters: Jim McGlothlin vs Alan Foster | First | -- |
| Tuesday, August 11 |
| » Defeated Mets (60-53), 8-1 | Riverfront Stadium (15-8) | 78-39 | |
| » Starters: Jim McAndrew vs Gary Nolan | First | -- |
| Wednesday, August 12 |
| » Lost to Mets (61-53), 2-1 | Riverfront Stadium (15-9) | 78-40 | |
| » Starters: Gary Gentry vs Tony Cloninger | First | -- |
| Thursday, August 13 |
| » Defeated Mets (61-54), 6-1 | Riverfront Stadium (16-9) | 79-40 | |
| » Starters: Ray Sadecki vs Jim Merritt | First | -- |
| Friday, August 14 |
| » Lost to Phillies (54-62), 5-4 | Riverfront Stadium (16-10) | 79-41 | |
| » Starters: Rick Wise vs Wayne Simpson | First | -- |
| » Major-league debuts: Mel Behney (Reds) |
| Saturday, August 15 |
| » Defeated Phillies (54-63), 5-4 | Riverfront Stadium (17-10) | 80-41 | |
| » Starters: Barry Lersch vs Gary Nolan | First | -- |
| Sunday, August 16 |
| » Defeated Phillies (54-64), 4-2 | Riverfront Stadium (18-10) | 81-41 | Won 2 |
| » Starters: Jim Bunning vs Tony Cloninger | First | -- |
| Monday, August 17 |
| » Defeated Phillies (54-65), 9-3 | Riverfront Stadium (19-10) | 82-41 | Won 3 |
| » Starters: Grant Jackson vs Jim Merritt | First | -- |
| Tuesday, August 18 |
| » Lost to Expos (52-70), 7-4 | Riverfront Stadium (19-11) | 82-42 | |
| » Starters: Steve Renko vs Mel Behney | First | -- |
| Wednesday, August 19 |
| » Lost to Expos (53-70), 8-6 | Riverfront Stadium (19-12) | 82-43 | Lost 2 |
| » Starters: Mike Wegener vs Gary Nolan | First | -- |
| Friday, August 21 |
| » Lost to Mets (65-57), 4-1 | Shea Stadium (1-2) | 82-44 | Lost 3 |
| » Starters: Tony Cloninger vs Jerry Koosman | First | -- |
| Saturday, August 22 |
| » Defeated Mets (65-58), 3-2 | Shea Stadium (2-2) | 83-44 | |
| » Starters: Jim Merritt vs Jim McAndrew | First | -- |
| Sunday, August 23 |
| » Lost to Mets (66-58), 5-4 | Shea Stadium (2-3) | 83-45 | |
| » Starters: Gary Nolan vs Gary Gentry | First | -- |
| » Defeated Mets (66-59), 7-5 | Shea Stadium (3-3) | 84-45 | |
| » Starters: Jim McGlothlin vs Tom Seaver | First | -- |
| Tuesday, August 25 |
| » Lost to Phillies (58-69), 3-2 | Shibe Park (2-2) | 84-46 | |
| » Starters: Tony Cloninger vs Barry Lersch | First | -- |
| Wednesday, August 26 |
| » Defeated Phillies (58-70), 6-5 | Shibe Park (3-2) | 85-46 | |
| » Starters: Jim Merritt vs Jim Bunning | First | -- |
| Thursday, August 27 |
| » Lost to Phillies (59-70), 6-3 | Shibe Park (3-3) | 85-47 | |
| » Starters: Jim McGlothlin vs Lowell Palmer | First | -- |
| Friday, August 28 |
| » Lost to Expos (56-74), 4-3 | Parc Jarry (2-2) | 85-48 | Lost 2 |
| » Starters: Gary Nolan vs Bill Stoneman | First | -- |
| Saturday, August 29 |
| » Defeated Expos (56-75), 4-3 | Parc Jarry (3-2) | 86-48 | |
| » Starters: Tony Cloninger vs Carl Morton | First | -- |
| Sunday, August 30 |
| » Lost to Expos (57-75), 5-1 | Parc Jarry (3-3) | 86-49 | |
| » Starters: Jim Merritt vs Steve Renko | First | -- |
| Tuesday, September 1 |
| » Lost to Giants (70-63), 5-3 | Riverfront Stadium (19-13) | 86-50 | Lost 2 |
| » Starters: Gaylord Perry vs Jim McGlothlin | First | -- |
| Wednesday, September 2 |
| » Defeated Giants (70-64), 2-0 | Riverfront Stadium (20-13) | 87-50 | |
| » Starters: Juan Marichal vs Gary Nolan | First | -- |
| Thursday, September 3 |
| » Defeated Giants (70-65), 7-3 | Riverfront Stadium (21-13) | 88-50 | Won 2 |
| » Starters: Skip Pitlock vs Tony Cloninger | First | -- |
| Friday, September 4 |
| » Lost to Padres (53-83), 15-2 | Riverfront Stadium (21-14) | 88-51 | |
| » Starters: Mike Corkins vs Jim Merritt | First | -- |
| » Major-league debuts: Frank Duffy (Reds) |
| Saturday, September 5 |
| » Defeated Padres (53-84), 6-2 | Riverfront Stadium (22-14) | 89-51 | |
| » Starters: Dave Roberts vs Milt Wilcox | First | -- |
| » Major-league debuts: Milt Wilcox (Reds) |
| Sunday, September 6 |
| » Defeated Padres (53-85), 6-5 | Riverfront Stadium (23-14) | 90-51 | Won 2 |
| » Starters: Pat Dobson vs Jim McGlothlin | First | -- |
| Monday, September 7 |
| » Lost to Giants (72-67), 6-3 | Candlestick Park (2-5) | 90-52 | |
| » Starters: Gary Nolan vs Juan Marichal | First | -- |
| » Lost to Giants (73-67), 4-3 | Candlestick Park (2-6) | 90-53 | Lost 2 |
| » Starters: Tony Cloninger vs Don Carrithers | First | -- |
| » Major-league debuts: Bernie Williams (Giants) |
| Tuesday, September 8 |
| » Defeated Giants (73-68), 5-2 | Candlestick Park (3-6) | 91-53 | |
| » Starters: Jim Merritt vs Frank Reberger | First | -- |
| Wednesday, September 9 |
| » Defeated Dodgers (77-64), 6-0 | Dodger Stadium (6-2) | 92-53 | Won 2 |
| » Starters: Milt Wilcox vs Claude Osteen | First | -- |
| Thursday, September 10 |
| » Defeated Dodgers (77-65), 13-4 | Dodger Stadium (7-2) | 93-53 | Won 3 |
| » Starters: Jim McGlothlin vs Joe Moeller | First | -- |
| Friday, September 11 |
| » Lost to Padres (56-89), 3-2 | San Diego/Jack Murphy Stadium (3-4) | 93-54 | |
| » Starters: Gary Nolan vs Pat Dobson | First | -- |
| Saturday, September 12 |
| » Lost to Padres (57-89), 4-2 | San Diego/Jack Murphy Stadium (3-5) | 93-55 | Lost 2 |
| » Starters: Tony Cloninger vs Danny Coombs | First | -- |
| Sunday, September 13 |
| » Lost to Padres (58-89), 5-4 | San Diego/Jack Murphy Stadium (3-6) | 93-56 | Lost 3 |
| » Starters: Wayne Simpson vs Clay Kirby | First | -- |
| Tuesday, September 15 |
| » Lost to Astros (71-76), 9-2 | Astrodome (6-2) | 93-57 | Lost 4 |
| » Starters: Jim McGlothlin vs Larry Dierker | First | -- |
| Wednesday, September 16 |
| » Defeated Astros (71-77), 3-2 | Astrodome (7-2) | 94-57 | |
| » Starters: Gary Nolan vs Wade Blasingame | First | -- |
| Friday, September 18 |
| » Defeated Braves (73-79), 11-6 | Atlanta-Fulton County Stadium (6-1) | 95-57 | Won 2 |
| » Starters: Tony Cloninger vs Pat Jarvis | First | -- |
| Future Red Ozzie Timmons is born in Tampa, FL. |
| Saturday, September 19 |
| » Defeated Braves (73-80), 7-4 | Atlanta-Fulton County Stadium (7-1) | 96-57 | Won 3 |
| » Starters: Jim McGlothlin vs Steve Barber | First | -- |
| Sunday, September 20 |
| » Lost to Braves (74-80), 11-2 | Atlanta-Fulton County Stadium (7-2) | 96-58 | |
| » Starters: Jim Maloney vs Ron Reed | First | -- |
| Monday, September 21 |
| » Defeated Astros (72-81), 2-0 | Riverfront Stadium (24-14) | 97-58 | |
| » Starters: Ken Forsch vs Don Gullett | First | -- |
| Tuesday, September 22 |
| » Defeated Astros (72-82), 6-5 | |
