Roy Mahaffey
1926–1936 · bats R / throws R · Philadelphia Athletics, Pittsburgh Pirates, St. Louis Browns
224G
.184AVG
.212OBP
.242SLG
More career statistics
73H
4HR
33RBI
0SB
67–49W–L
1,056.0IP
365K
5.01ERA
129GS
5SV
3Rare feats
Career summary: MLB’s official regular-season totals. Season lines, splits and historical game logs below are reconstructed from the covered Retrosheet records and can differ in coverage or scorer revisions. Compare sources and coverage.
Why official totals and the game-record sums differ
The sources can disagree on historical scorer decisions, appearances, and which games belong to a major-league record. The career summary uses the official total; the source game rows retain their recorded values.
| Statistic | MLB official | Recorded game sum |
|---|---|---|
| Batting · At bats | 396 | 395 |
| Batting · Hits | 73 | 72 |
| Batting · Strikeouts | 139 | 140 |
| Batting · Walks | 14 | 15 |
| Pitching · p er | 588 | 586 |
| Pitching · p hr | 84 | 83 |
| Pitching · p k | 365 | 369 |
| Pitching · p r | 673 | 672 |
Career batting
| G | PA | AB | R | H | 2B | 3B | HR | RBI | BB | K | SB | CS | HBP | SF | TB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 224 | 418 | 396 | 28 | 73 | 9 | 1 | 4 | 33 | 14 | 139 | 0 | 0 | 0 | 0 | 96 | .184 | .212 | .242 | .454 |
Career pitching
| IP | G | GS | CG | W | L | SV | H | R | ER | HR | BB | K | HBP | WP | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1,056.0 | 224 | 129 | 45 | 67 | 49 | 5 | 1,181 | 673 | 588 | 84 | 452 | 365 | 0 | 0 | 5.01 | 1.546 |
Streaks
4longest hitting streak · 1934-09-14 to 1935-04-19
6longest on-base streak
The three rarest things in this career
| Rarity | What | Date | Rate | Game |
|---|---|---|---|---|
| 51 | Twelve Runs Allowed | 1932-07-11 | 1 in 264 games | box score ↗ |
| 42 | Four Runs, No Outs | 1931-09-07 | 1 in 121 games | box score ↗ |
| 41 | 12 innings pitched | 1933-07-21 | 1 in 613 pitcher-games | box score ↗ |
Splits
Regular season only.
Home and away
| G | PA | H | HR | RBI | BB | K | AVG | OBP | SLG | |
|---|---|---|---|---|---|---|---|---|---|---|
| Home | 110 | 190 | 36 | 2 | 18 | 7 | 52 | .203 | .226 | .271 |
| Away | 114 | 228 | 36 | 2 | 15 | 8 | 88 | .165 | .193 | .216 |
By month
| G | PA | H | HR | RBI | BB | K | AVG | OBP | SLG | |
|---|---|---|---|---|---|---|---|---|---|---|
| April | 24 | 29 | 4 | 0 | 1 | 0 | 11 | .138 | .138 | .172 |
| May | 37 | 74 | 12 | 1 | 11 | 2 | 21 | .169 | .189 | .268 |
| June | 52 | 101 | 15 | 1 | 8 | 6 | 37 | .161 | .208 | .204 |
| July | 47 | 101 | 21 | 2 | 11 | 5 | 37 | .226 | .257 | .323 |
| August | 36 | 68 | 9 | 0 | 1 | 1 | 24 | .138 | .147 | .138 |
| September | 28 | 45 | 11 | 0 | 1 | 1 | 10 | .250 | .267 | .295 |
Most-faced opponents
| G | PA | H | HR | RBI | BB | K | AVG | OBP | SLG | |
|---|---|---|---|---|---|---|---|---|---|---|
| new-york-yankees | 42 | 71 | 10 | 1 | 6 | 4 | 35 | .149 | .197 | .254 |
| cleveland-guardians | 35 | 87 | 8 | 0 | 4 | 3 | 27 | .100 | .126 | .113 |
| st-louis-browns | 29 | 71 | 14 | 1 | 7 | 0 | 17 | .197 | .197 | .254 |
| chicago-white-sox | 28 | 49 | 8 | 0 | 4 | 3 | 14 | .186 | .224 | .186 |
| washington-senators-1901-60 | 27 | 37 | 8 | 0 | 4 | 0 | 13 | .222 | .216 | .250 |
| boston-red-sox | 27 | 48 | 13 | 1 | 4 | 1 | 15 | .277 | .292 | .426 |
| detroit-tigers | 27 | 48 | 9 | 1 | 3 | 4 | 16 | .205 | .271 | .273 |
| chicago-cubs | 4 | 2 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 |
Season by season
| Year | Team | G | AB | H | HR | RBI | SB | AVG | IP | K |
|---|---|---|---|---|---|---|---|---|---|---|
| 1926 |  Pittsburgh Pirates | 4 | 1 | – | – | – | – | .000 | 4 | 3 |
| 1927 | Pittsburgh Pirates | 2 | 5 | 2 | – | 1 | – | .400 | 9 | 4 |
| 1930 |  Philadelphia Athletics | 33 | 60 | 7 | 1 | 7 | – | .117 | 152 | 39 |
| 1931 | Philadelphia Athletics | 30 | 62 | 11 | 2 | 8 | – | .177 | 162 | 59 |
| 1932 | Philadelphia Athletics | 37 | 87 | 15 | 1 | 6 | – | .172 | 222 | 106 |
| 1933 | Philadelphia Athletics | 33 | 65 | 14 | – | 6 | – | .215 | 179 | 66 |
| 1934 | Philadelphia Athletics | 37 | 48 | 13 | – | 4 | – | .271 | 129 | 40 |
| 1935 | Philadelphia Athletics | 27 | 51 | 9 | – | 1 | – | .176 | 136 | 39 |
| 1936 |  St. Louis Browns | 21 | 16 | 1 | – | – | – | .062 | 60 | 13 |