Mac Williamson
San Francisco Giants 2015–2018; Seattle Mariners 2019; San Francisco Giants 2019
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 10 | 34 | 32 | 2 | 7 | 0 | 1 | 0 | 1 | 0 | 8 | 0 | 0 | .219 | .235 | .281 | .517 | 33.4 | 43.2 | .228 | -0.2 |
| 2016 | 54 | 127 | 112 | 14 | 25 | 3 | 0 | 6 | 15 | 13 | 35 | 0 | 1 | .223 | .315 | .411 | .726 | 98.2 | 95.6 | .322 | 0.2 |
| 2017 | 28 | 73 | 68 | 8 | 16 | 2 | 0 | 3 | 6 | 5 | 25 | 1 | 1 | .235 | .288 | .397 | .685 | 73.7 | 78.6 | .293 | -0.1 |
| 2018 | 28 | 105 | 94 | 14 | 20 | 4 | 0 | 4 | 11 | 11 | 27 | 1 | 1 | .213 | .295 | .383 | .678 | 87.9 | 86.4 | .303 | 0.1 |
| 2019 | 40 | 144 | 128 | 13 | 20 | 1 | 0 | 4 | 17 | 14 | 44 | 2 | 1 | .156 | .250 | .258 | .508 | 39.5 | 37.6 | .232 | -0.8 |
Career totals
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016-06-23 | SF @ PIT Gameday | 4 | 1 | 3 | 0 | 0 | 1 | 2 | 0 | 6 |
| 2017-09-24 | SF @ LAD Gameday | 3 | 1 | 3 | 0 | 0 | 1 | 1 | 0 | 6 |
| 2019-05-07 | SF @ COL Gameday | 4 | 2 | 2 | 0 | 0 | 1 | 4 | 1 | 5 |
| 2016-07-23 | SF @ NYY Gameday | 5 | 1 | 2 | 0 | 0 | 1 | 2 | 0 | 5 |
| 2018-04-24 | WSH @ SF Gameday | 4 | 1 | 2 | 0 | 0 | 1 | 1 | 0 | 5 |
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.