When the Yankees ended the first half seven games above .500, their bullpen was arguably the league’s best — the unit’s 3.09 ERA tied for first. But a FIP more than half a run higher portended regression, and sure enough, their ERA has risen to 3.48 since the All-Star break, a mark that ranks seventh in that time. That’s still pretty good, and the ‘pen wasn’t that much worse during the recent nine-game losing streak — their ERA was only six points higher — but the opposition did hang three losses on them. One of those L’s went to Tommy Kahnle, who’s been responsible for a good chunk of that bullpen regression.
Tommy Kahnle’s crumbling cambio
