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Foster Griffin played 2 major-league seasons (2020-2022) as a P (7). Career totals and every year-by-year line below come from the SABR/Lahman database (CC BY-SA), covering 1871-2025.
Showing 2 season lines
| Year | Age | Team | G | GS | W | L | SV | IP | SO | BB | ERA | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 25 | KCA | 1 | 0 | 1 | 0 | 0 | 1.2 | 1 | 0 | 0.00 | — |
| 2022 | 27 | KCA|TOR | 6 | 0 | 0 | 0 | 0 | 6.1 | 4 | 5 | 8.53 | 45 |
| Year | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|
| 2020 | P | 1 | 0 | 0 | 0 | 0 | 0 |
| 2022 | P | 6 | 0 | 0 | 2 | 0 | 0 |
Team codes are the source codes (e.g. NYN for the New York Mets, BS1 for the 1875 Boston club). OPS+ is league-season normalized, not park-adjusted; unrecorded source values (such as RBI in the earliest recorded seasons) are absent, never zero-filled.
Foster Griffin is a playable Legends Deck card, rated from real Statcast data and refreshed nightly: view the Foster Griffin card.
| Date | Type | From | To | Details |
|---|---|---|---|---|
| Dec 22, 2025 | Signed as free agent | — | Washington Nationals | Washington Nationals signed free agent LHP Foster Griffin. |
| Nov 15, 2022 | Released | — | Toronto Blue Jays | Toronto Blue Jays released LHP Foster Griffin. |
| Dec 11, 2020 | Signed as free agent | — | Kansas City Royals | Kansas City Royals signed free agent LHP Foster Griffin to a minor league contract. |
| Jun 10, 2014 | Signed | — | Kansas City Royals | Kansas City Royals signed LHP Foster Griffin. |
From MLB’s official StatsAPI transactions feed (2011 to the current season, trades/signings/releases involving major-league clubs). Browse the full archive.
Every career total and season line is computed from the SABR / Sean Lahman baseball database (2025 edition, CC BY-SA 3.0), the same source behind our historical position leaderboards. Rate stats use league-season normalization only (OPS+ and ERA+ as marked, never park-adjusted); unrecorded early-era values stay absent rather than being invented. Career totals sum only what the source records.
Award winners and MVP / Cy Young / Rookie of the Year voting history come from the same database; the year pages live under MLB award voting history. Official transactions (2011 to the current season) come from the MLB StatsAPI feed on our transactions archive.