RELIEVERS: At or below 0.5 HR/9

This week, the column focuses in on relievers with a HR/9 at or under 0.5. Why? Because the relievers with at least ten innings and a 0.5 or better HR/9 average 1.171 runs better in actual ERA than in xERA so far in 2021. If we filter these "home run stingy" RPs for simple 100 BPV, we now have a nice set of relievers to discuss.

Let's start with the closers and quasi-closers on this list (100 or better BPV and 0.5 or lower HR/9):

YTD               IP  ERA xERA HR/9 BPV XE+/-
================= == ==== ==== ==== === =====
J.Hader (MIL) (L) 28 0.65 2.48  0.0 198 -1.83
C.Kimbrel (CHC)   27 0.66 2.50  0.3 196 -1.84
E.Díaz (NYM)      27 2.70 2.75  0.0 179 -0.05
R.Pressly (HOU)   27 2.00 2.86  0.3 165 -0.86
P.Fry (BAL) (L)   23 1.93 2.57  0.0...

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