P · 2 seasons · 1910 – 1914 · B/T: R/R
Elmer Koestner appears in our records for 2 seasons, from 1910 to 1914. He banked roto value in saves (+0.7) and gave it back in WHIP (-1.5), strikeouts (-0.7) and ERA (-0.6).
★ Best season by Z
★ Best season by Z