Taillon 's control was decent before going under the knife .
His comeback season featured a grand total of 23 walks in 166 innings to go with a mid-90s fastball and a pair of good off - speed pitches .
Taillon 's control was decent before going under the knife , but his comeback season featured a grand total of 23 walks in 166 innings to go with a mid-90s fastball and a pair of good off - speed pitches .