P · 7 seasons · 1910 – 1918 · B/T: L/L
Few careers score higher: Ad Brennan sits 1st of 0 pitchers all-time in roto value, built over 7 seasons. No season of his scores higher than 1913, at +4.8, 30th that season and 5739th of 51,303 player-seasons on record.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1910 | PHI | 21 | -1.97 | #312 | #50,482 |
| 1911 | PHI | 5 | -2.21 | #498 | #78,675 |
| 1912★ | PHI | 27 | -1.09 | #239 | #37,861 |
| 1913 | PHI | 40 | -2.67 | #655 | #104,175 |
| 1914 | CHF | 16 | -2.24 | #457 | #81,630 |
| 1915 | CHF | 20 | -2.62 | #696 | #103,015 |
| 1918 | WS1 | 3 | -2.34 | #461 | #91,145 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1910 | PHI | 19 | -1.35 | #118 | #25,624 |
| 1911 | PHI | 5 | -1.69 | #137 | #28,197 |
| 1912 | PHI | 27 | 2.77 | #44 | #9,593 |
| 1913★ | PHI | 40 | 4.81 | #30 | #5,739 |
| 1914 | CHF | 16 | -1.67 | #146 | #28,050 |
| 1915 | CHF | 19 | -2.63 | #242 | #40,985 |
| 1918 | WS1 | 3 | -2.72 | #214 | #42,187 |
★ Best season by Z