HOME PLATE UMPIRE
David Rackley
Average zone
43% NRFI
7 games tracked
Career Averages
1.010
Zone Factor
16.9
K / Game
7.1
BB / Game
43%
NRFI Rate
Betting Implications
Average-sized zone (1.010x). No significant umpire-driven lean in either direction.
Season Breakdown
| Season | Games | Zone | K/G | BB/G | NRFI% | K Factor |
|---|---|---|---|---|---|---|
| 2026 | 7 | 1.010 | 16.9 | 7.1 | 43% | 1.006 |
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%.