Jeremy Gerulaitis O27 Index

Mariners · percentile rankings vs the league
Player page JSON
Advanced · win value, fielding, second chances
WPA
+0.26
Leverage
1.01
OAA
+13.8
Field Runs
+10.8
BsR
-1.0
XBT%
45.5%
2C Runs
-7.5
R / 2C
-1.105
WP is split by batting half; OAA uses exact fielder credit on outs.
wOBA
0.393
xwOBA
0.448
Luck (wOBA − xwOBA)
-0.055
Exit velocity drives the outcome now, so a positive gap = out-hit his contact quality (lucky); negative = unlucky.

Hitting

vs 520 qualified · 44 batted balls
xwOBA
32
0.448
Avg Exit Velo
11
83.3
Max Exit Velo
33
117.9
Hard-Hit %
12
13.6%
Barrel %
10
2.3%
Sweet-Spot %
26
47.7%
Walk %
67
12.7%
Strikeout %
39
23.8%
Second-Chance %
48
12.7%
RISP-OPS
36
1.026
RISP Cash-In
29
0.342
Red = elite, blue = poor. Hitting bars rank batted-ball quality; pitching bars rank contact suppressed (so a low EV-against or Barrel% is elite). Cuts are calibrated to O27's exit-velocity distribution, not MLB's.
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