» September 5, 1964:
Ernie Banks belts a double and homer in the same inning, and the Cubs use the big score to beat the Cards, 8–5. Mike Cuellar takes the loss against Larry Jackson.
» June 11, 1965:
St. Louis trades pitchers Ron Taylor and Mike Cuellar to the Astros for P Hal Woodeshick.
» September 27, 1967: Philadelphia's Jim Bunning loses a ML-record-tying 5th 1–0 decision, as Houston's Mike Cuellar outlasts the veteran in 11 innings.
» December 4, 1968:
Houston also swaps P Mike Cuellar, and infielders Elijah Johnson and Enzo Hernandez to the Orioles for outfielders Curt Blefary and John Mason. Cuellar, 8-11 this past season, will average 20 wins a year for five years in Baltimore. Except for the Frank Robinson trade, this ranks as the best for the O's.
» April 27, 1969:
Led by Frank Robinson's eight RBIs, the first place Orioles sweep a pair from the Yankees, 6–0 and 10–5. Robby has two homers and four singles. Mike Cuellar shuts out the Yanks, beating Stan Bahnsen (0-5).
» August 10, 1969: Mike Cuellar's (15-9) string of 35 straight batters retired is ended by Cesar Tovar, who also spoils Cuellar's no-hit bid in a 2–0 win against the Twins. Tovar has the only hit in a game for the 3rd time, and the 2nd time this season.
» October 11, 1969: Don Buford's leadoff home run starts a 4–1 Baltimore win over New York to open the World Series. Mike Cuellar bests Tom Seaver.
» October 15, 1969: A memorable World Series game pits Tom Seaver against Mike Cuellar. RF Ron Swoboda's questionable dive at Brooks Robinson's sinking liner with runners at 1B and 3B in the 9th inning results in a brilliant catch, even though Frank Robinson tags and scores the tying run. In the 10th, Mets pinch-hitter J.C. Martin, running illegally inside the 1B line after a bunt, is hit on the wrist by P Pete Richert's errant throw, enabling pinch runner Rod Gaspar to score from second as the Mets win 2–1. The game is enlivened by Earl Weaver getting thrown out after protesting ball and strike calls by Shag Crawford. Earl is the 3rd manager to leave early in a World Series, but the first since 1935.
» November 6, 1969: Denny McLain and Mike Cuellar finish dead even in American League Cy Young Award voting.
» May 29, 1970: The Orioles Mike Cuellar strikes out four batters consecutively in the 4th inning of a 2–0 win over California. He allows four hits and Boog Powell supplies the offense with a 2-run home run.
» August 27, 1970: Mike Cuellar wins his 20th game for Baltimore, defeating the A's, 6–4. Chuck Dobson is the loser, giving up four runs in 2+ innings.
» October 3, 1970: Pitcher Mike Cuellar contributes a grand slam as the Orioles explode for seven runs in the 4th inning to rout the Twins 10–6 in the opening game of the American League Championship Series.
» November 6, 1970: The Twins Jim Perry wins the American League Cy Young Award in a close race. Perry, who won 24 games during the season, receives 55 points to edge out Dave McNally (47), Sam McDowell (45), and Mike Cuellar (44).
» July 4, 1971: Backed by a pair of homers. Mike Cuellar wins his 10th straight for the first-place O's, beating Detroit's Joe Coleman, 3–2.
» August 10, 1971: Harmon Killebrew becomes the 10th player to amass 500 home runs, and adds his 501st, but the Orioles beat the Twins 4–3. Mike Cuellar picks up the win.
» September 24, 1971:
The Orioles clinch their division as Mike Cuellar wins his 20th game 9–2 over the Indians. In game two of the doubleheader, Pat Dobson cards his 20th win, a 7–0 shutout.
» October 9, 1973:
Bert Campaneris leads off the 11th with a home run to give Oakland a 2–1 win over Mike Cuellar and the Orioles.
» September 2, 1974: Boston pitchers Luis Tiant and Bill Lee each allow just one run in a Labor Day doubleheader, yet both lose games to Baltimore. Ross Grimsley and Mike Cuellar toss twin 1–0 shutouts.
» September 6, 1974: Baltimore sweeps a doubleheader from Cleveland 2–0 and 1–0. Dave McNally and Mike Cuellar notch the 4th and 5th consecutive shutouts for the Orioles, who set an American League record with 54 straight scoreless innings pitched.
» October 9, 1974:
The A's get just one hit, but draw 11 walks, nine off loser Mike Cuellar, in beating the Orioles 2–1. Cuellar walks Gene Tenace in the 6th to force in a run, and Reggie Jackson doubles in the winning run in the 7th.