After 2015 , Zack Greinke was ranked as the eighth-best active pitcher at 3:76:1 .
Greinke has produced good strikeout-to-walk ratios throughout his career , finishing in his league 's top 10 five times and ranking eighth among active pitchers in the category , at 3.76:1 as of the end of the 2017 regular season .
Zack Greinke