🇺🇸 Zack Hairston

PITCHER P CLE Age 36 (Jul 8) Born San Diego, US Bats L · Throws L Salary ƒ1.8 crore Est. value ƒ47.4 lakh -74% vs salary AL
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PAVG
0.333
OPS+
56
wRC+
18
HR
0
RBI
0
bWAR
-0.06
W-L
0-1
wERA
13.09
wERA+
81
GSc Idx
65
xRA
15.12
K
4
pWAR
-0.01
Standard Batting
GPAAB RH 2B3BHR RBIBBSO HBPSBCSFO PAVG OBPSLGOPS
2 6 6 1 2 0 0 0 0 0 3 0 0 0 0 0.333 0.333 0.333 0.667
Advanced Batting
BAVG Δ2C ISO BABIP K%BB%HR% BB/K wOBA OPS+ wOBA+ wRC+ 2C 2C-H 2C-Conv% 2C-RBI 2C-RBI% 2C-RBI/2C FO% MhAB% SB%
0.333 +0.000 0.000 0.667 50.0% 0.0% 0.0% 0.00 0.243 56 43 18 0 0 0.0% 0 0.0% 0.00 0.0% 0.0%
Clutch · RISP
RISP PA RISP-AVG RISP-OBP RISP-SLG RISP-OPS RISP-RBI RISP-Conv
3 0.333 0.333 0.333 0.667 0 0.00
Small Ball · Bunting
SH Bunts Bunt H Sqz Sqz RBI
0 0 0 0 0
Runner Advancement
1B% 1B 2B% 2B 3B% 3B All% RAD
66.7% 2/3 0/0 0.0% 0/2 40.0% 4
Value (Batting)
oVORP oWAR Def DRS dWAR WPA LI WAR
-1.2 -0.06 0.558 +0.0 +0.00 +0.38 1.39 -0.06
Standard Pitching
GGS WL BFOuts HRER BBSOHR HBPUER SBCSFO P
2 2 0 1 33 19 16 13 11 3 4 2 0 2 0 0 0 96
Result-Tier (wERA / xRA / Decay)
wERA xRA Decay
13.09 15.12
Workload
GSc avg OS% OS+ AOR WS%
35.8 35% 128 9.5 0%
Per-Batter Rates & Opponent Profile
K% BB% HR% oAVG BABIP O/P P/BF FO%
12.1% 9.1% 6.1% 0.533 0.583 0.198 2.91 0.0%
Walk-Back & MLB-Readable Rates

Walk-Back Stop% measures how often this pitcher strands the post-HR rule-placed runner on 3B. The bonus run, when it scores, is unearned (Manfred-runner precedent) and is excluded from ERA but charged to runs allowed (and thus to wERA).

WB-F WB-R Stop% ERA WHIP K/9 BB/9 HR/9
2 2 0% 15.63 3.00 5.7 4.3 2.8
Relief & Finisher
IR IR-Sc IR-Stop% gmLI Late ER/BF LateK% TO QF LRA
0 0 0.90 0 0 10.00
Value (Pitching)
GSc+ GSc Idx wERA+ WPA LI VORP WAR
73 65 81 -1.09 1.27 -0.3 -0.01
Repertoire
Cutter 46 Screwball 61 Splitter 47 Walking Slider 44
20-80 scout grades. Primary pitch comes first; usage weight (% of typed pitches in neutral counts) drives ordering. Release angle, count, and platoon further bias which pitch fires each PA — see o27/config.py:PITCH_CATALOG.
Arsenal — in-game usage
FB% BR% OFF% 1B 2B 3B HR
43% 36% 22% 11 4 0 2
FB/BR/OFF are the pitcher's per-game pitch-mix averaged across appearances. 1B/2B/3B/HR are the actual hit shape allowed — driving the per-pitcher xRA v3 split.
Standard Fielding
Pos PO A E TC FldPct
P 1 1 0 2 1.000
Defensive Profile (rated)
Defense (overall) 55 Good Position-aware blend of general defense, arm, and position-specific glove
General defense 55 Good Glove / surehandedness — applied at any position
Arm 53 Above Avg Throwing strength — matters most at C / OF / SS
Infield (1B/2B/3B/SS) 50 Above Avg Position-group sub-rating
Outfield (LF/CF/RF) 50 Above Avg Position-group sub-rating
Catcher 50 Above Avg Position-group sub-rating
Defensive Value
Pos Def rating DRS dWAR
P 0.558 +0.0 +0.00

Plays are attributed to a fielder by position-weighted probability per BIP type (grounders cluster at SS/2B; flies at CF; etc.). Errors get charged to the responsible position. Assists and double plays aren't yet tracked separately — only PO and E.

Batting Splits all rate stats are league-baseline-relativized to the season; counting stats are raw within-split totals
Stat OverallHomeAwayLast 30 days
G 2 2 2
PA 6 6 6
AB 6 6 6
H 2 2 2
2B 0 0 0
3B 0 0 0
HR 0 0 0
RBI 0 0 0
R 1 1 1
BB 0 0 0
SO 3 3 3
SB 0 0 0
PAVG 0.333 0.333 0.333
OBP 0.333 0.333 0.333
SLG 0.333 0.333 0.333
OPS 0.667 0.667 0.667
OPS+ 56 56 56
wOBA 0.243 0.243 0.243
wRC+ 17 17 17
BAVG 0.333 0.333 0.333
2C 0 0 0
WAR -0.06 -0.06 -0.06
Pitching Splits arc-bucketed metrics (wERA / Decay) recompute per split using only that subset's arc counts
Stat OverallHomeAwayLast 30 days
G 2 2 2
GS 2 2 2
W 0 0 0
L 1 1 1
BF 33 33 33
Outs 19 19 19
K 4 4 4
BB 3 3 3
HR 2 2 2
FO 0 0 0
wERA 13.09 13.09 13.09
xRA 15.12 15.02 15.02
Decay
GSc avg 35.8 35.8 35.8
GSc+ 72 72 72
GSc Idx 65 65 65
wERA+ 80 80 80
OS+ 128 128 128
K% 12.1% 12.1% 12.1%
BB% 9.1% 9.1% 9.1%
WAR -0.01 -0.01 -0.01

Splits available: Home (player's team was home), Away (player's team was away), Last 30 days (rolling window from the league's most recent played date). All rate stats are relativized against full-season league baselines, not split-specific baselines.

Handedness Splits contact events only — K and BB not included
BIP H 2B 3B HR RBI BA SLG ISO
vs LHP 1 1 0 0 0 0 1.000 1.000 0.000
vs RHP 2 1 0 0 0 0 0.500 0.500 0.000
BIP H 2B 3B HR R BA SLG
vs LHB 7 5 1 0 1 1 0.714 1.286
vs RHB 19 10 2 0 1 8 0.526 0.789
Overall
Player overall 45
Hitting
Hitting (overall) 48 Average Mean of contact, power, eye, and at-bat skill
Power 50 Above Avg Bias contact toward hard / boost HR weight
Contact 50 Above Avg Lower whiff rate; more fouls / in-play
Eye 50 Above Avg Discipline — more balls taken, fewer called Ks
Speed 51 Above Avg Base-running and stolen-base ability
Pitching
Pitching (overall) 45 Average Weighted blend of stuff, command, movement, and stamina
Stuff (pitcher_skill) 27 Sub-Repl Whiffs / swinging strikes
Command 71 Excellent Lower P(ball) — Maddux archetype
Movement 36 Replacement Bias contact toward weak / ground-out
Stamina 74 Excellent Within-game fatigue threshold; workhorse moat
Defense
Defense (overall) 55 Good Position-aware blend of general defense, arm, and position-specific glove
General defense 55 Good Range / glove
Arm 53 Above Avg
Infield 50 Above Avg
Outfield 50 Above Avg
Catcher 50 Above Avg
Bio & Tactics
PositionP
BatsLL / R / S
ThrowsLL / R
Age36
Work ethic 43 Season-long boost on every attribute. Locked
2C aggressiveness0.27Probability of choosing 2C when eligible
Contact-quality threshold0.46Second-Chance eligibility on medium contact

All ratings are on the 20–80 scout scale: 50 = league average, 80 = top of the league, 81–95 = elite-plus (.01% transcendent talents). Independent rolls per attribute, drawn from a 9-tier talent ladder.

Batting — last 2 games
DateOpp PAABH 2B3BHR RRBI BBSO HBPSBCSFO 2C ROE PO E
2026-05-04 @ DET 3 3 1 0 0 0 1 0 0 2 0 0 0 0 0 0 1 0 Box
2026-04-07 @ NYY 3 3 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 Box
Pitching — last 2 appearances
DateOpp GSc OutsBF HRER BBSOHR FO P
2026-05-04 @ DET 19 13 21 9 6 6 2 3 0 0 63 Box
2026-04-07 @ NYY 9 6 12 7 7 5 1 1 2 0 33 Box
Crossover (XO) Stats

O27 rate stats translated to MLB-readable values via mean-and-spread z-anchoring (formula: xo = MLB_mean + ((value − O27_mean) / O27_sd) · MLB_sd). The map preserves rank order exactly — XO leaderboards are the same player order as native — and preserves spread, so an elite O27 player shows up as an elite MLB-equivalent number rather than bunched at the league anchor. Read these the way you would read MLB stats; if a pitcher's XO ERA is 3.10, that's the MLB-equivalent of a 3.10 ERA.

Pitching Native (O27) XO (MLB-readable)
ERA 15.63 4.82
WHIP 3.00 1.39
K/9 5.7 6.2
BB/9 4.3 3.1
HR/9 2.8 1.4
oAVG 0.533 0.262
oOBP 0.576 0.329
oSLG 0.733 0.442
oOPS 1.309 0.770
Batting Native (O27) XO (MLB-readable)
AVG 0.333 0.228
OBP 0.333 0.277
SLG 0.333 0.345
OPS 0.667 0.627
wOBA 0.243 0.268
BABIP 0.667 0.305
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