The MLB Belt · reign 697
Pittsburgh Pirates
Took the belt from Brooklyn Bridegrooms, 13–3, on September 12, 1891. Lost it to Boston Beaneaters, 9–3, on September 18, 1891.
5Defenses
6Days
25thReign for the franchise
Every game of the reign
| Belt game | Date | Result | |
|---|---|---|---|
| 1,617 | Sep 12, 1891 | Pittsburgh Pirates beat Brooklyn Bridegrooms 13–3 | Title change |
| 1,618 | Sep 12, 1891 | Pittsburgh Pirates beat Brooklyn Bridegrooms 8–4 | Defense |
| 1,619 | Sep 14, 1891 | Pittsburgh Pirates beat New York Giants 4–3 | Defense |
| 1,620 | Sep 16, 1891 | Pittsburgh Pirates beat New York Giants 2–0 | Defense |
| 1,621 | Sep 16, 1891 | Pittsburgh Pirates beat New York Giants 7–1 | Defense |
| 1,622 | Sep 17, 1891 | Pittsburgh Pirates and Boston Beaneaters tied 7–7 | Tie · defense |
| 1,623 | Sep 18, 1891 | Boston Beaneaters beat Pittsburgh Pirates 9–3 | Title change |