Players / Player profile
ATH · 3B

Max Muncy

Age 24 B/T R/R 6′0″, 180 lb USA MLB debut 2025
40-man
  • The Athletics’ roster as it stands on the 40-man, off the 26-man (call-up depth)
  • Injured list 2026: Left knee chondromalacia (Sep 22–Sep 28)
  • PNC Park Pittsburgh’s home park: −1.9 runs per 600 PA against an average park (−0.12 wins over 364 PA; his WAR leaves this out); home runs ×0.79 (×0.77 for right-handed hitters as a group). Park Fit →
xwOBA .287 wOBA .303
2026 fWAR −0.3
Projected 2027 WAR −0.1 Keystone Marcel+ at 364 PA

Hitting · 2026

285 PA: percentiles need 300+, so values only

xwOBA .287 xwOBA: .287
Swing decisions −0.69 Swing decisions: −0.69
Contact value −0.74 Contact value: −0.74
Bat speed 74.2 Bat speed: 74.2
Squared-up / swing 16% Squared-up / swing: 16%
Blasts / swing 9% Blasts / swing: 9%
EV90 106.3 EV90: 106.3
Barrel % 10.7% Barrel %: 10.7%
Chase % 33.2% Chase %: 33.2%
Zone contact 81.1% Zone contact: 81.1%
Strikeout % 31.9% Strikeout %: 31.9%
Walk % 7.4% Walk %: 7.4%

Platoon splits · swing path

By pitcher handedness

vsPAwOBAxwOBAK%BB%ChaseDecisionsContact
LHP105.304.30930%12%29%+0.64−1.58
RHP180.302.27533%4%36%−1.51−0.21
Attack angle
10.5° (54% in 5–20°)
Attack direction
−5.4°
Swing length
7.5 ft
Fast-swing rate
42%
Pull-air %
18.4%
Hard-hit %
43.5%
Slash · wRC+
.231/.296/.387 · 82

Zone map · 2026

Where he does damage, and where to pitch him

+0.3−1.80.0−0.7+0.6+0.8−0.9+2.7+3.0+1.3−0.9−2.0−1.2+2.8−1.1−0.4−1.1+2.4+2.1−0.4−0.9−1.5−2.40.0−1.5RHB

Does the most damage up and away (+3.0 vs. league per 100; 1.3 standard errors on 45 pitches, inside the noise for the best of nine cells).

Weakest middle-in (−2.0), but only 0.9 standard errors from average on 51 pitches: no in-zone spot to attack yet.

Runs per 100 pitches vs. an average RHB: better · worse. Catcher’s view · 1,006 pitches · faded cells are within one standard error of average. A spot is called only when it is farther from average than the best or worst of nine average cells gets 95% of the time (set from the league’s own pitches: about 3 standard errors above, 2 below).

Most similar hitters

Swings like Muncy: bat path, contact quality and approach

SimilarityPlayerxwOBA’26 WAR’27 proj2027
77Austin Riley ATL · ’97.2961.01.3Signed $22.0M
66Brett Baty NYM · ’99.3221.11.5Arb
65Ryan McMahon NYY · ’94.2970.50.7Signed $16.0M
62Christian Walker HOU · ’91.3041.60.5Signed $20.0M
61Jarren Duran BOS · ’96.3060.52.3Arb

Nearest neighbours on bat speed, swing length, attack angle, squared-up and blast rates, EV90, barrels, pull-air, chase, zone contact, K% and BB%. 2026 regulars only.

Fielding

2027 rating at every position he can play · OAA by position · range by direction · tools. Same engine as the Fielding Lab and the Winter Plan.

2027 rating by position · best fit first, on the total with the position’s worth
3B −4.6 −2.1
2B −8.7 −9.2
1B +0.9prior −14.6
Outs Above Average by position
SeasonPosOAARangeArm, DPRunsBatters
2026LF−1−10.0−1.088
20263B−6−4−0.1−4.12,002
2025SS−10−0.1−0.1247
20252B−4−3−0.3−3.3826
20253B−2−2−0.4−2.41,064

Runs = range plus his arm and double-play runs spread over his positions by outs (Fielding Run Value, from 2023): what the rating counts.

Range by direction (OAA at 3B)
2025 · 3B2026 · 3B In (charging) 0−1Back −1−1Toward 3B line −10Toward 1B line −5−4vs. RHH −1−6vs. LHH −5−1

At 3B in 2026, the biggest loss came toward 1B line (−4 outs): a coaching target.

Tools (percentile; arm among 3Bs)
Arm at 3B 81.1 mph · 26th
Sprint speed 27.7 ft/s · 58th
Catch difficulty (latest season)
PlayMadeChancesRate
★★★★★010%
★★★★00—
★★★010%
★★010%
★22100%
Zone rating (Keystone expected outs)
SeasonZoneBallsOuts vs. exp.
20263B133−17.7
20253B87−5.9
20252B60+2.8

The zone rating counts every ball hit to his part of the field while he played there, his club’s positioning included; Savant OAA uses his actual starting spot and is the better individual grade. They agree best in the outfield. See the model card.

Compare in the Fielding Lab →

Contract & projection

Club control (RosterResource) · Keystone projected WAR

2027 −0.1 WAR —
2028 0.0 WAR —
2029 0.1 WAR —
2030 0.1 WAR —

Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AAAAAALas Vegas Aviators231777 PA 77 PA · .318/.403/.652 · 6 HR · 28.6% K · 9.1% BB
2025AAAAAALas Vegas Aviators2231141 PA 141 PA · .325/.397/.504 · 3 HR · 22.7% K · 7.8% BB

ABS challenges · 2026

Baseball Savant

As batter 50% 2/4 won · −0.1 runs
Keystone is an independent portfolio project. It is not affiliated with Major League Baseball or any club. Data: MLB Stats API, Baseball Savant, FanGraphs. Used under their terms for individual, non-commercial use.