In his pro baseball career, Stammen has surrendered 858 base hits while he has earned 743 K’s in 885 innings. He has allowed a total of 360 earned runs while holding a WHIP of 1.236 and being the owner of a FIP of 3.6. His strikeout to walk ratio is 3.15 and he has gone up against 3,700 batters in his career. Stammen (55-44 win-loss record in his career) holds a 3.66 earned run average and has surrendered 8.7 hits per nine innings.
