Roy Mahaffey
P · 9 seasons · 1926 – 1936 · B/T: R/R
Roy Mahaffey ranks 1st of 0 pitchers by career roto value, one of the highest totals the site records. No season of his scores higher than 1931, at +2.4, 53rd that season and 10413th of 51,303 player-seasons on record. Career value accumulated in wins (+3.7) and strikeouts (+1.6), and drained away in ERA (-6.7) and WHIP (-5.1).
Hitting
Best Season
-1.76
1931 · #45,720 all-time
Career Z
-21.6
summed
Avg / Season
-2.40
longevity-neutral
Seasons
9
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1926 | PIT | 4 | -2.48 | #639 | #98,916 |
| 1927 | PIT | 2 | -2.31 | #497 | #88,491 |
| 1930 | PHA | 33 | -2.93 | #710 | #107,965 |
| 1931★ | PHA | 30 | -1.76 | #331 | #45,720 |
| 1932 | PHA | 37 | -2.48 | #810 | #98,738 |
| 1933 | PHA | 33 | -2.29 | #455 | #86,681 |
| 1934 | PHA | 37 | -1.87 | #330 | #47,911 |
| 1935 | PHA | 27 | -2.84 | #645 | #106,871 |
| 1936 | SLA | 21 | -2.61 | #611 | #102,934 |
★ Best season by Z
Pitching
Best Season
2.43
1931 · #10,413 all-time
Career Z
-7.9
summed
Avg / Season
-0.88
longevity-neutral
Seasons
9
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1926 | PIT | 4 | -2.05 | #196 | #32,371 |
| 1927 | PIT | 2 | -2.48 | #259 | #38,814 |
| 1930 | PHA | 33 | -0.64 | #129 | #21,457 |
| 1931★ | PHA | 30 | 2.43 | #53 | #10,413 |
| 1932 | PHA | 37 | -0.18 | #126 | #19,233 |
| 1933 | PHA | 33 | -1.30 | #130 | #25,230 |
| 1934 | PHA | 37 | -0.48 | #104 | #20,671 |
| 1935 | PHA | 27 | 0.77 | #85 | #15,440 |
| 1936 | SLA | 21 | -4.01 | #275 | #49,896 |
★ Best season by Z