The MLB Belt · reign 1,844
Pittsburgh Pirates
Took the belt from Chicago Cubs, 5–4, on May 30, 1909. Lost it to New York Giants, 8–2, on June 16, 1909.
13Defenses
17Days
139thReign for the franchise
Every game of the reign
| Belt game | Date | Result | |
|---|---|---|---|
| 4,140 | May 30, 1909 | Pittsburgh Pirates beat Chicago Cubs 5–4 | Title change |
| 4,141 | May 30, 1909 | Pittsburgh Pirates beat Chicago Cubs 4–2 | Defense |
| 4,142 | May 31, 1909 | Pittsburgh Pirates beat St. Louis Cardinals 5–4 | Defense |
| 4,143 | May 31, 1909 | Pittsburgh Pirates beat St. Louis Cardinals 4–2 | Defense |
| 4,144 | Jun 2, 1909 | Pittsburgh Pirates beat Boston Doves 2–0 | Defense |
| 4,145 | Jun 3, 1909 | Pittsburgh Pirates beat Boston Doves 9–8 | Defense |
| 4,146 | Jun 5, 1909 | Pittsburgh Pirates beat Boston Doves 3–1 | Defense |
| 4,147 | Jun 7, 1909 | Pittsburgh Pirates beat Philadelphia Phillies 4–3 | Defense |
| 4,148 | Jun 8, 1909 | Pittsburgh Pirates beat Philadelphia Phillies 4–3 | Defense |
| 4,149 | Jun 9, 1909 | Pittsburgh Pirates beat Philadelphia Phillies 6–0 | Defense |
| 4,150 | Jun 11, 1909 | Pittsburgh Pirates beat Brooklyn Superbas 8–1 | Defense |
| 4,151 | Jun 12, 1909 | Pittsburgh Pirates beat Brooklyn Superbas 10–1 | Defense |
| 4,152 | Jun 14, 1909 | Pittsburgh Pirates beat Brooklyn Superbas 7–5 | Defense |
| 4,153 | Jun 15, 1909 | Pittsburgh Pirates beat Brooklyn Superbas 8–2 | Defense |
| 4,154 | Jun 16, 1909 | New York Giants beat Pittsburgh Pirates 8–2 | Title change |