When you talk bullpens in baseball these days, the first team that comes to mind are the Yankees with the Terrific Troika of Dellin Betances, Andrew Miller, and Aroldis Chapman. However, the Yankees pen is comprised of more than that three-headed monster. When you look at the Yankee mediocrity, you should note that no team has allowed a greater percentage of inherited runners to score than the Yanks.
I call Inherited Runs Scored the tax stat not just because of its acronym, but because of it’s taxing effect upon the pitcher who preceded the offender and the manager who made the decision to pull that original pitcher in the hopes of avoiding further damage.
Percentage of inherited runners scored by relievers
Shout out to Josh Osich of the Giants
No pitcher in baseball has inherited more baserunners than Josh Osich who has entered games with 31 runners on. Osich has permitted only two to score, an IRS rate of just 6%.