What’s wrong with Chad Green’s fastball?

(Steve Ryan/Getty)Not much has gone right for Chad Green early this season. After emerging as one of the team’s essential bullpen arms over the last two years, a few bad outings have pushed Green down in the pecking order. Unfortunately, it only got worse on Sunday. Up 5-0 against Kansas City, Green was handed a low leverage opportunity to help himself right the ship. After three hitters and no outs recorded, enough was enough. Adam Ottavino eventually allowed those inherited runners to score, but the performance ballooned Green’s ERA to 12.27 in just over seven innings of work.

Green’s problems generally boil down to hard contact and a lack of whiffs, as Bobby wrote about recently.…