During his MLB career, Keller has surrendered 776 base knocks while he has accumulated 713 K’s in 735 innings. He has given up a total of 373 ER’s while earning a WHIP of 1.408 and being the owner of a FIP of 4.5. His strikeout to walk ratio is 2.75 and he has faced 3,218 opposing hitters during his career. Keller (37-52 mark in his career) has earned a 4.57 earned run average while giving up 9.5 hits per nine innings.
