Players / Player profile
PHI · P

Zack Wheeler

Age 36 B/T L/R 6′4″, 195 lb USA MLB debut 2013
40-man
  • Philadelphia’s roster as it stands #3 starter · 109 IP · 2.2 WAR in the role
  • Injured list 2026: Right shoulder surgery (Mar 25–Apr 25)
  • Trade read Unlikely to be traded: 10-and-5 rights (12+ years of service, five straight seasons with PHI): he can veto any trade.
Keystone Stuff 109 81st pct
2026 fWAR 4.0
Projected 2027 WAR 2.2 at 109 IP · 2.2 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 2,649 pitches

Keystone Stuff 109 Keystone Stuff: 109, 81st percentile
Keystone Location 106 Keystone Location: 106, 78th percentile
Keystone Pitching 116 Keystone Pitching: 116, 95th percentile
Run value (xRV) +1.04 Run value (xRV): +1.04, 89th percentile
Strikeout % 29.9% Strikeout %: 29.9%, 91st percentile
Walk % 7.3% Walk %: 7.3%, 72nd percentile
Whiff % 30.8% Whiff %: 30.8%, 88th percentile
Chase % 36.3% Chase %: 36.3%, 95th percentile
Fastball velo 95.1 Fastball velo: 95.1, 60th percentile
Extension 7.1 ft Extension: 7.1 ft, 96th percentile
162.0 IP3.00 ERA3.35 FIP 22° arm

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →4SFSSISTFCCU
RHP · arm angle 22° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Four-seam36% use36%95.214.1+11.311411330%+1.24
Splitter16% use16%87.42.0+14.89410145%+1.24
Sinker15% use15%94.87.1+17.510510011%+1.21
Sweeper13% use13%81.3−0.8−17.01049938%+0.19
Cutter11% use11%90.98.5−0.41019621%+0.64
Curveball9% use9%80.0−11.1−13.01088846%+1.32

No mix change or new pitch clears its bar. The arsenal is efficient for its shapes.

Most similar pitchers

Pitches like Wheeler: same hand, shape, slot and mix

SimilarityPlayerStuff’26 WAR’27 proj2027
61Joe Ryan MIN · ’961122.52.4Free agent
58Christian Scott NYM · ’991152.11.8Pre-arb
53Jake Irvin WSH · ’97980.50.4Arb
53Paul Skenes PIT · ’021044.24.8Arb
49Will Warren NYY · ’991022.22.0Pre-arb

Joe Ryan (similarity 61, 2.4 WAR projected for 2027) is a free agent this winter: a similar arsenal available without trading talent, at a free agent’s price. Opportunity Finder →

Same-handed pitchers nearest on fastball velocity and shape, arm angle, extension, pitch mix, secondary shapes, Stuff, whiff rate and workload. 2026 regulars only.

Pitch locations · 2026

Where each pitch finishes, by batter side

Four-seam 39%
47% zone
Splitter 21%
23% zone
Cutter 17%
35% zone
Curveball 13%
17% zone
Sweeper 5%
30% zone
Sinker 4%
48% zone

Where each pitch finishes, catcher’s view. The bar marks the batter’s side; the box is an average strike zone. Pitches with 40+ thrown to this side.

Contract & projection

Club control (RosterResource) · Keystone projected WAR

2027 2.2 WAR Guaranteed $42.0M
2028 1.6 WAR Free agent
2029 1.2 WAR Free agent
2030 0.8 WAR Free agent

Contract Studio →

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AAAAReading Fightin Phils3629.2 IP 9.2 IP · 6.52 ERA · 34.2% K · 2.6% BB
2026AAAAAALehigh Valley IronPigs36310.1 IP 10.1 IP · 5.23 ERA · 22.7% K · 9.1% BB
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.