The MLB Belt · reign 3,412
Philadelphia Athletics
Took the belt from Boston Red Sox, 4–1, on May 5, 1931. Lost it to New York Yankees, 6–2, on May 26, 1931.
16Defenses
21Days
131stReign for the franchise
+2Closest call · May 25, 1931
4.7Average winning margin
157thLongest of 10,799 reigns, by days
2ndMost defenses of 10,799 reigns
How it ended
Lost it to New York Yankees, 6–2, on May 26, 1931.
Defended against
Cleveland Indians ×4White Sox ×3Tigers ×3Yankees ×3Red Sox ×2St. Louis Browns
The season
- 1931: they had the best record (107–45–1); St. Louis Cardinals won the World Series; 18 belt games of this reign; the belt changed hands 72 times that season.
Every game of the reign
margins from Philadelphia Athletics’ side| Belt game | Date | Result | Margin | |
|---|---|---|---|---|
| 7,467 | May 5, 1931 | Philadelphia Athletics beat Boston Red Sox 4–1 Game → | +3 | Title change |
| 7,468 | May 6, 1931 | Philadelphia Athletics beat Boston Red Sox 10–3 | +7 | Defense |
| 7,469 | May 9, 1931 | Philadelphia Athletics beat St. Louis Browns 6–4 | +2 | Defense |
| 7,470 | May 12, 1931 | Philadelphia Athletics beat Chicago White Sox 5–2 | +3 | Defense |
| 7,471 | May 13, 1931 | Philadelphia Athletics beat Chicago White Sox 7–5 | +2 | Defense |
| 7,472 | May 14, 1931 | Philadelphia Athletics beat Chicago White Sox 5–2 | +3 | Defense |
| 7,473 | May 15, 1931 | Philadelphia Athletics beat Cleveland Indians 4–0 | +4 | Defense |
| 7,474 | May 16, 1931 | Philadelphia Athletics beat Cleveland Indians 12–5 | +7 | Defense |
| 7,475 | May 17, 1931 | Philadelphia Athletics beat Cleveland Indians 15–10 | +5 | Defense |
| 7,476 | May 18, 1931 | Philadelphia Athletics beat Cleveland Indians 10–7 | +3 | Defense |
| 7,477 | May 19, 1931 | Philadelphia Athletics beat Detroit Tigers 5–0 | +5 | Defense |
| 7,478 | May 20, 1931 | Philadelphia Athletics beat Detroit Tigers 3–0 | +3 | Defense |
| 7,479 | May 21, 1931 | Philadelphia Athletics beat Detroit Tigers 12–5 | +7 | Defense |
| 7,480 | May 23, 1931 | Philadelphia Athletics beat Boston Red Sox 7–1 | +6 | Defense |
| 7,481 | May 24, 1931 | Philadelphia Athletics beat New York Yankees 7–3 | +4 | Defense |
| 7,482 | May 25, 1931 | Philadelphia Athletics beat New York Yankees 4–2 | +2 | Defense |
| 7,483 | May 25, 1931 | Philadelphia Athletics beat New York Yankees 16–4 | +12 | Defense |
| 7,484 | May 26, 1931 | New York Yankees beat Philadelphia Athletics 6–2 | −4 | Title change |