HOME PLATE UMPIRE
Alan Porter
Wide zone
57% NRFI
7 games tracked
Career Averages
1.105
Zone Factor
16.3
K / Game
5.9
BB / Game
57%
NRFI Rate
Betting Implications
Wide zone (1.105x) means pitchers get more borderline calls. This boosts strikeout props and suppresses walks.
Season Breakdown
| Season | Games | Zone | K/G | BB/G | NRFI% | K Factor |
|---|---|---|---|---|---|---|
| 2026 | 7 | 1.105 | 16.3 | 5.9 | 57% | 0.972 |
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%.