Jeff Karstens has been tremendous in the month of June and statistically, he’s been one of baseballs best pitchers. In three starts this month. 20 2/3 innings, Karstens has allowed just 1 run, posting a 0.44 ERA. Kastens ERA this month ranks 2nd in the Majors, just behind Cliff Lee who has a 0.38 ERA this month. He is 4-4 on the season with a team-best 2.66 ERA among starters.