MLB Manager
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–).
| Season | Team | W | L | T | Pct | Postseason |
|---|---|---|---|---|---|---|
| 1888 | KCC | 21 | 36 | 1 | .362 |