Reymin Guduan, seems to have some control issues.
10.2 IP, 3 Hits, 15 Walks, 7 K's. It isn't often you see a pitcher with a .097 batting average against, it is even rarer to see a pitcher with a .097 BAA and a 1.33 WHIP.
It isn't new either, last year he walked 31 in 20 innings.