Big K-BB% and the projections
Apr 19 2026
This week, the focus is on the early leaders in K%-BB% and their early success, followed by a review of their current projections to see whether their elite status is sustainable over the long run. We start with the four highest K%-BB% led by the insane numbers of San Diego Padres closer Mason Miller (RHP, SD) and his 73% K%-BB%:
| SV | HD | IP | xERA | WHIP | K% | K-BB% | HR/9 | |
|---|---|---|---|---|---|---|---|---|---|
| Miller, Mason | SD | 6 | 0 | 9.1 | 0.62 | 0.21 | 77% | 73% | 0.0 |
| Iglesias, Raisel | ATL | 4 | 0 | 7.2 | 2.27 | 0.52 | 39% | 39% | 0.0 |
| Duran, Jhoan | PHI | 5 | 0 | 6.2 | 1.84 | 0.75 | 33% | 33% | 0.0 |
| Fisher, Braydon | TOR | 0 | 3 | 9.2 | 1.89 | 0.72 | 36% | 33% | 1.0 |
| Hoffman, Jeff | TOR | 2 | 0 | 8.1 | 1.97 | 1.80 | 44% | 32% | 1.1 |
Miller has a 0.62 xERA, 0.21 WHIP, 77% K%, and 73% K%-BB%. No one has ever sustained that across a season, and there is no reason to expect it now. However, Miller is dwarfing some other...
Almost!
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