Players / Player profile
PHI · P

Jhoan Duran

Age 28 B/T R/R 6′5″, 230 lb Dominican Republic MLB debut 2022
40-man
  • Philadelphia’s roster as it stands late-inning relief · 60 IP · 1.6 WAR in the role
  • Injured list 2026: Left oblique strain (Apr 18–May 5)
  • Trade read Available at a price: PHI 38% playoff odds; control through 2027.
Keystone Stuff 119 96th pct
2026 fWAR 2.9
Projected 2027 WAR 1.8 at 67 IP · 1.6 in his 2027 role

Pitching · 2026 percentiles

vs. MLB pitchers with 500+ pitches · 947 pitches

Keystone Stuff 119 Keystone Stuff: 119, 96th percentile
Keystone Location 103 Keystone Location: 103, 68th percentile
Keystone Pitching 113 Keystone Pitching: 113, 91st percentile
Run value (xRV) +1.82 Run value (xRV): +1.82, 99th percentile
Strikeout % 35.6% Strikeout %: 35.6%, 98th percentile
Walk % 4.2% Walk %: 4.2%, 99th percentile
Whiff % 35.7% Whiff %: 35.7%, 99th percentile
Chase % 34.0% Chase %: 34.0%, 84th percentile
Fastball velo 100.5 Fastball velo: 100.5, 99th percentile
Extension 6.0 ft Extension: 6.0 ft, 15th percentile
59.1 IP1.82 ERA1.41 FIP 38° arm33 SV

Arsenal & Pitch Lab

Movement normalized to arm side · Keystone Stuff by pitch

−20−20−10−100010102020← Glove sideArm side →Rise (IVB, in) →FS4SSTKCCH
RHP · arm angle 38° · how to read
PitchUseVeloIVBHBStuffLocWhiffxRV/100
Splitter47% use47%97.62.9+14.111511429%+1.35
Four-seam28% use28%100.513.3+12.911010743%+2.60
Sweeper11% use11%89.5−0.8−7.61097757%+3.56
Knuckle curve10% use10%88.8−6.7−1.81157046%−0.91
Changeup5% use5%88.71.7+8.91166212%+3.24

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

Most similar pitchers

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

SimilarityPlayerStuff’26 WAR’27 proj2027
24Louis Varland TOR · ’971203.11.5Arb
23Jeff Hoffman MIN · ’931071.60.6Signed $12.7M
18Bradgley Rodriguez SD · ’031031.61.1Pre-arb
17Andrés Muñoz SEA · ’991220.81.0Club option $8.0M
16David Bednar NYY · ’941061.91.2Free agent

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

Splitter 41%
53% zone
Four-seam 36%
42% zone
Knuckle curve 17%
26% 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 1.8 WAR Arbitration $9.7M*
2028 1.8 WAR Free agent
2029 1.7 WAR Free agent
2030 1.6 WAR Free agent

* projected arbitration or minimum salary. Contract Studio →

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.