The MLB Belt · reign 266
Boston Beaneaters
Took the belt from Buffalo Bisons, 18–4, on September 22, 1883. Lost it to Buffalo Bisons, 3–2, on May 6, 1884.
9Defenses
227Days
44thReign for the franchise
Every game of the reign
| Belt game | Date | Result | |
|---|---|---|---|
| 619 | Sep 22, 1883 | Boston Beaneaters beat Buffalo Bisons 18–4 | Title change |
| 620 | Sep 25, 1883 | Boston Beaneaters beat Buffalo Bisons 8–5 | Defense |
| 621 | Sep 26, 1883 | Boston Beaneaters beat Buffalo Bisons 7–5 | Defense |
| 622 | Sep 27, 1883 | Boston Beaneaters beat Cleveland Blues (1879–84) 4–1 | Defense |
| 623 | Sep 28, 1883 | Boston Beaneaters beat Cleveland Blues (1879–84) 6–2 | Defense |
| 624 | Sep 29, 1883 | Boston Beaneaters beat Cleveland Blues (1879–84) 6–4 | Defense |
| 625 | May 1, 1884 | Boston Beaneaters beat Buffalo Bisons 5–3 | Defense |
| 626 | May 2, 1884 | Boston Beaneaters beat Buffalo Bisons 11–10 | Defense |
| 627 | May 3, 1884 | Boston Beaneaters beat Cleveland Blues (1879–84) 11–2 | Defense |
| 628 | May 5, 1884 | Boston Beaneaters beat Cleveland Blues (1879–84) 9–3 | Defense |
| 629 | May 6, 1884 | Buffalo Bisons beat Boston Beaneaters 3–2 | Title change |