Jack Mayfield
Houston Astros 2019–2020; Los Angeles Angels of Anaheim 2021; Seattle Mariners 2021; Los Angeles Angels of Anaheim 2022
Percentile snapshot
No qualified season. This player never reached the qualification floor — 3.1 plate appearances, or one inning, per game his team played — in any archived season, so there is no season population to rank him inside.
Career, era-adjusted
sWAR measured against every career in history, 24,011 of them. Only era-adjusted career stats carry a percentile — a raw career total gets a rank instead, because pooling the 1890s with the 2020s is a choice, not a measurement.
Season by season
Batting
| Season | G | PA | AB | R | H | 2B | 3B | HR | RBI | BB | SO | SB | CS | BA | OBP | SLG | OPS | wRC+ | OPS+ | wOBA | sWAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | 26 | 65 | 64 | 8 | 10 | 5 | 0 | 2 | 5 | 1 | 16 | 0 | 0 | .156 | .169 | .328 | .497 | 20.1 | 27.3 | .205 | -0.3 |
| 2020 | 21 | 47 | 42 | 5 | 8 | 1 | 0 | 0 | 3 | 2 | 14 | 0 | 0 | .190 | .239 | .214 | .453 | 25.2 | 27.1 | .207 | -0.2 |
| 2021 | 87 | 290 | 266 | 30 | 58 | 15 | 0 | 10 | 39 | 17 | 68 | 5 | 0 | .218 | .272 | .387 | .659 | 75.8 | 77.1 | .284 | 0.4 |
| 2022 | 23 | 74 | 70 | 8 | 13 | 1 | 1 | 1 | 6 | 3 | 17 | 1 | 0 | .186 | .230 | .271 | .501 | 38.6 | 42.6 | .226 | -0.2 |
Pitching
| Season | G | GS | W | L | SV | CG | SHO | H | ER | BB | SO | HR | IP | ERA | WHIP | K/9 | FIP | FIP- | ERA+ | sWAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.00 | .000 | 0.00 | 3.21 | 77.5 | — | 0.4 |
| 2022 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1.0 | 0.00 | 1.000 | 0.00 | 3.05 | 77.6 | — | -0.2 |
sWAR is the season TOTAL for a player who both hit and pitched: the record book carries one figure per season, not a split, so the same number appears on both lines rather than being counted twice.
Career totals
Batting
Pitching
A total is called out only where it ranks in the all-time top 500; hover a figure for its rank and the size of the field it was ranked in. Ranks are absolute facts and carry no percentile — the population for "career home runs" would be an editorial choice, and the rank is not.
Best games
Batting
| Date | Game | AB | R | H | 2B | 3B | HR | RBI | BB | TB |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-08-04 | LAA @ TEX Gameday | 3 | 1 | 3 | 1 | 0 | 1 | 1 | 0 | 7 |
| 2019-06-15 | TOR @ HOU Gameday | 4 | 3 | 3 | 3 | 0 | 0 | 1 | 0 | 6 |
| 2021-07-17 | SEA @ LAA Gameday | 3 | 3 | 2 | 1 | 0 | 1 | 1 | 1 | 6 |
| 2021-08-06 | LAA @ LAD Gameday | 3 | 1 | 2 | 0 | 0 | 1 | 2 | 1 | 5 |
| 2021-08-28 | SD @ LAA Gameday | 4 | 2 | 2 | 0 | 0 | 1 | 2 | 0 | 5 |
Pitching
Ranked from our own play-by-play game log, which begins in 1901 — not from the record book, so a career played outside it shows nothing here rather than a short list.