Historical comparisons show that pitchers with Butler's walk and strikeout profile have had success, but it relied on improving that profile.
Eddie Butler has had an uneven season thus far—some good starts, some poor ones. A couple of aspects about his game have remained consistent though. They are important parts: Butler has been walking a lot of batters and striking out few.
This season, Butler has struck out 4.8 batters per nine, which is quite an improvement compared to the three starts he made in 2014. In all, he’s struck out 4.1 batters per nine innings in 14 career starts.