MIA · P
Janson Junk
Age 30 B/T R/R 6′2″, 197 lb USA MLB debut 2021
- Miami’s roster as it stands #2 starter · 127 IP · 1.8 WAR in the role
- Injured list 2026: Right shin bone inflammation (May 28–Jul 9)
- Trade read Available at a price: MIA 38% playoff odds; control through 2030.
Keystone Stuff 100 49th pct
2026 fWAR 2.0
Projected 2027 WAR 2.0 at 143 IP · 1.8 in his 2027 role
Pitching · 2026 percentiles
vs. MLB pitchers with 500+ pitches · 1,981 pitches
123.2 IP4.22 ERA4.13 FIP 46° arm
Arsenal & Pitch Lab
Movement normalized to arm side · Keystone Stuff by pitch
| Pitch | Use | Velo | IVB | HB | Stuff | Loc | Whiff | xRV/100 |
|---|---|---|---|---|---|---|---|---|
| Four-seam35% use | 35% | 94.1 | 18.5 | +6.3 | 99 | 111 | 14% | +0.86 |
| Slider19% use | 19% | 86.3 | 1.7 | −5.9 | 101 | 117 | 16% | −0.09 |
| Changeup17% use | 17% | 87.3 | 1.2 | +14.1 | 102 | 106 | 23% | −0.60 |
| Sweeper14% use | 14% | 80.1 | 1.2 | −15.8 | 106 | 110 | 14% | −0.33 |
| Curveball9% use | 9% | 80.7 | −13.8 | −8.1 | 88 | 107 | 16% | +0.42 |
| Sinker4% use | 4% | 93.6 | 10.8 | +14.6 | 92 | 102 | 7% | −0.81 |
No mix change or new pitch clears its bar. The arsenal is efficient for its shapes.
Most similar pitchers
Pitches like Junk: same hand, shape, slot and mix
| Similarity | Player | Stuff | ’26 WAR | ’27 proj | 2027 |
|---|---|---|---|---|---|
| 62 | Zac Gallen AZ · ’95 | 90 | −0.1 | 0.6 | Free agent |
| 55 | Max Scherzer TOR · ’84 | 97 | 0.3 | 0.1 | Free agent |
| 55 | Keider Montero DET · ’00 | 92 | 2.5 | 1.7 | Pre-arb |
| 54 | Zebby Matthews MIN · ’00 | 92 | 0.7 | 1.1 | — |
| 50 | Andrew Painter PHI · ’03 | 102 | 1.1 | 1.3 | Pre-arb |
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
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 2.0 WAR Pre-arb $780K*
2028 1.8 WAR Arbitration $3.6M*
2029 1.5 WAR Arbitration $6.6M*
2030 1.1 WAR Arbitration $10.4M*
* projected arbitration or minimum salary. Contract Studio →
Minor leagues
MLB Stats API · public box-score data
| SeasonLevel | Level | Team | Age | G | PA / IP | PA / IP ·Line |
|---|---|---|---|---|---|---|
| 2026AAA | AAA | Jacksonville Jumbo Shrimp | 30 | 2 | 5.2 IP | 5.2 IP · 3.18 ERA · 23.1% K · 0.0% BB |
| 2025AAA | AAA | Jacksonville Jumbo Shrimp | 29 | 10 | 50.1 IP | 50.1 IP · 2.68 ERA · 24.6% K · 3.6% BB |