P · 2 seasons · 1901 – 1902 · B/T: L/R
Win Mercer played 2 seasons from 1901 to 1902, 59 games in total. He banked roto value in wins (+1.2) and gave it back in ERA (-1.1), WHIP (-0.6) and strikeouts (-0.4).
★ Best season by Z