P · 6 seasons · 1912 – 1917 · B/T: L/L
George Pierce was worth +0.2 in wins alone, more than his entire career total of -4.0 once everything else is counted against him. 1913 was the high-water mark, worth +3.3, 41st that season and 8485th of 51,303 player-seasons on record. Career value accumulated in wins (+0.2), and drained away in WHIP (-0.7), ERA (-0.6) and strikeouts (-0.3).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1912★ | CHC | 3 | -2.18 | #501 | #75,619 |
| 1913 | CHC | 25 | -3.09 | #680 | #109,234 |
| 1914 | CHC | 30 | -3.02 | #809 | #108,758 |
| 1915 | CHC | 36 | -2.54 | #641 | #101,008 |
| 1916 | CHC | 4 | -2.35 | #420 | #91,924 |
| 1917 | STL | 5 | -2.52 | #490 | #100,324 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1912 | CHC | 3 | -2.35 | #214 | #36,886 |
| 1913★ | CHC | 25 | 3.28 | #41 | #8,485 |
| 1914 | CHC | 30 | -0.21 | #112 | #19,361 |
| 1915 | CHC | 36 | 0.06 | #109 | #18,186 |
| 1916 | CHC | 4 | -2.52 | #162 | #39,452 |
| 1917 | STL | 5 | -2.25 | #141 | #35,316 |
★ Best season by Z