The MLB Belt · reign 515
Boston Beaneaters
Took the belt from New York Giants, 4–3, on May 11, 1889. Lost it to Indianapolis Hoosiers, 5–4, on May 22, 1889.
6Defenses
11Days
86thReign for the franchise
Every game of the reign
| Belt game | Date | Result | |
|---|---|---|---|
| 1,254 | May 11, 1889 | Boston Beaneaters beat New York Giants 4–3 | Title change |
| 1,255 | May 13, 1889 | Boston Beaneaters beat Pittsburgh Alleghenys 7–5 | Defense |
| 1,256 | May 14, 1889 | Boston Beaneaters beat Pittsburgh Alleghenys 13–9 | Defense |
| 1,257 | May 15, 1889 | Boston Beaneaters beat Pittsburgh Alleghenys 8–7 | Defense |
| 1,258 | May 16, 1889 | Boston Beaneaters beat Pittsburgh Alleghenys 14–4 | Defense |
| 1,259 | May 17, 1889 | Boston Beaneaters beat Cleveland Spiders 14–4 | Defense |
| 1,260 | May 18, 1889 | Boston Beaneaters beat Cleveland Spiders 10–8 | Defense |
| 1,261 | May 22, 1889 | Indianapolis Hoosiers beat Boston Beaneaters 5–4 | Title change |