P · 2 seasons · 1906 – 1907 · B/T: R/R
Henry Mathewson played 2 seasons from 1906 to 1907, 3 games in total. The value came from saves (+1.0). It leaked back out through strikeouts (-2.0), WHIP (-0.4) and ERA (-0.2).
★ Best season by Z
★ Best season by Z