The MLB Belt · reign 4,019
Boston Red Sox
Took the belt from New York Yankees, 4–3, on July 7, 1939. Lost it to Detroit Tigers, 13–6, on July 17, 1939.
8Defenses
10Days
217thReign for the franchise
Every game of the reign
| Belt game | Date | Result | |
|---|---|---|---|
| 8,740 | Jul 7, 1939 | Boston Red Sox beat New York Yankees 4–3 | Title change |
| 8,741 | Jul 8, 1939 | Boston Red Sox beat New York Yankees 3–1 | Defense |
| 8,742 | Jul 8, 1939 | Boston Red Sox beat New York Yankees 3–2 | Defense |
| 8,743 | Jul 9, 1939 | Boston Red Sox beat New York Yankees 4–3 | Defense |
| 8,744 | Jul 9, 1939 | Boston Red Sox beat New York Yankees 5–3 | Defense |
| 8,745 | Jul 13, 1939 | Boston Red Sox beat Cleveland Indians 6–5 | Defense |
| 8,746 | Jul 15, 1939 | Boston Red Sox beat Cleveland Indians 9–5 | Defense |
| 8,747 | Jul 16, 1939 | Boston Red Sox beat Detroit Tigers 9–2 | Defense |
| 8,748 | Jul 16, 1939 | Boston Red Sox beat Detroit Tigers 3–0 | Defense |
| 8,749 | Jul 17, 1939 | Detroit Tigers beat Boston Red Sox 13–6 | Title change |