Jansen (122-89 career win-loss mark) is the owner of a 3.58 ERA and has conceded 8.9 hits per nine innings. He has a strikeout to walk ratio of 2.05 and he has gone up against 7,291 hitters during his pro baseball career. During his MLB career, Jansen has given up 1,751 hits and he has 842 punch outs in 1,765 frames. He has conceded 703 ER’s while earning a WHIP of 1.224 and a FIP of 3.5.
