HOME PLATE UMPIRE
Mike Muchlinski
Slightly wide zone
38% NRFI
8 games tracked
Career Averages
1.087
Zone Factor
17.4
K / Game
6.4
BB / Game
38%
NRFI Rate
Betting Implications
Wide zone (1.087x) means pitchers get more borderline calls. This boosts strikeout props and suppresses walks.
Low NRFI rate (38%). First innings tend to be scoring-heavy. Lean YRFI or fade NRFI plays.
Season Breakdown
| Season | Games | Zone | K/G | BB/G | NRFI% | K Factor |
|---|---|---|---|---|---|---|
| 2026 | 8 | 1.087 | 17.4 | 6.4 | 38% | 1.037 |
Factor Definitions
Zone Size Factor: Strike zone width relative to league average (1.000). Higher = wider zone, favoring pitchers.
K Factor: Strikeout rate in this umpire's games vs league average. Higher = more Ks.
BB Factor: Walk rate adjustment. Higher = fewer walks (wider zone suppresses walks).
NRFI Rate: % of games with no runs in the first inning. League average is roughly 55%.