Yu-hsiang Chao O27 Index

Hanoi Mercantile · percentile rankings vs the league
Player page JSON
Advanced · win value, fielding, second chances
WPA
+1.21
Leverage
1.19
OAA
-0.2
Field Runs
-0.0
BsR
+0.9
XBT%
44.9%
2C Runs
+2.9
R / 2C
+0.769
WP is split by batting half; OAA uses exact fielder credit on outs.
wOBA
0.286
xwOBA
0.283
Luck (wOBA − xwOBA)
+0.003
Exit velocity drives the outcome now, so a positive gap = out-hit his contact quality (lucky); negative = unlucky.

Hitting

vs 509 qualified · 33 batted balls
xwOBA
5
0.283
Avg Exit Velo
8
84.1
Max Exit Velo
7
109.7
Hard-Hit %
7
12.1%
Barrel %
9
3.0%
Sweet-Spot %
6
36.4%
Walk %
28
7.3%
Strikeout %
3
27.3%
Second-Chance %
48
1.8%
RISP-OPS
9
0.692
RISP Cash-In
22
0.333
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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