MLB Manager
1 World Series
Best: 1918 BOS (+11.2) · Worst: 1903 DET (-5.6)
Team wins minus the wins its roster's VAL predicts (roster fit r² 0.77), credited by share of games coached and shrunk toward zero for short careers. Descriptive, not causal: health, schedule and luck sit in the same residual.
| Team | Seasons | W–L–T | Pct | Playoffs | Titles |
|---|---|---|---|---|---|
| DETafter Frank Dwyer · before Bobby Lowe | 1903–1904 (2) | 97–117–7 | .439 | — | — |
| BOSafter Jack Barry · before Hugh Duffy | 1918–1920 (3) | 213–203–2 | .510 | 4–2 | 1 |
Built from: Lahman Baseball Database (1871–2019); MLB StatsAPI (schedule, standings, coaches by date, postseason) (2020–2026); Wikipedia — List of <club> managers (acting managers, verification) (2020–2026); Wikipedia — Major League Baseball Manager of the Year Award (2017–).
| 4–2 |
| World Series ✓ |
| 1919 | BOS | 66 | 71 | 1 | .478 | — |
| 1920 | BOS | 72 | 81 | 1 | .468 | — |