Relievers, May 2025 skills leaders

This week, we look at BPI leaders among relievers by K%-BB% who have at least fifteen innings pitched. The groupings are filtered to clump similar relievers together.

The first such grouping has the seven relievers with an elite K-BB% greater than 30% through May:

YTD

SV

HD

IP

xERA

WHIP

K%

K-BB%

HR/9

Jax, Griffin MIN

0

14

24.2

2.11

1.22

39%

35%

1.1

Miller, Mason ATH

12

0

18.2

2.39

1.39

44%

32%

1.5

Hader, Josh HOU LHP

14

0

24.0

2.92

0.79

38%

31%

0.8

Yates, Kirby LA

1

8

18.2

2.66

1.29

39%

31%

1.5

Speier, Gabe SEA LHP

0

7

20.0

2.36

0.90

36%

31%

0.9

Estrada, Jeremiah SD

1

9

24.1

3.03

1.07

37%

30%

1.1

Hoffman, Jeff TOR

12

0

24.1

2.69

1.07

36%

30%

1.9

Athletics closer Mason Miller (RHP, ATH), has a 44% K% and 32% K%-BB% for a 2.39 xERA. That is elite. The combination of sub-par WHIP and 1.5 HR/9, however, gives him...

Almost!

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