Olson (40-39 record in his career) has a 3.46 earned run average while surrendering 8.0 hits per nine innings. He has a strikeout to walk ratio of 1.78 and he has gone up against 2,889 opposing batters so far in his pro baseball career. During his career, Olson has conceded 598 base knocks while he has earned 588 strikeouts in 672 frames. He has given up a total of 258 ER’s while holding a WHIP of 1.381 and having a FIP of 3.4.
