| Accomplishment | Date | |
| First game | County Stadium | 4/7/70 |
| First win | @ White Sox (8-4) | 4/11/70 |
| First home win | Red Sox (4-3) | 5/6/70 |
| First to hit for the cycle | Mike Hegan @ Tigers | 9/3/76 |
| First pinch-hit home run | Jerry McNertney at Yankees | 5/3/70 |
| First no-hitter by Brewers | Juan Nieves @ Orioles (7-0) | 4/15/87 |
| First no-hitter against Brewers | Steve Busby, KC (2-0) | 6/19/74 |
| First grand slam | Roberto Pena vs. Detroit (inside the park) | 5/30/70 |