Janson Junk
P · MIA
MLBAM 676083
Seasons
| Yr | BF | K% | BB% | xwOBA | Pts | PPG |
|---|---|---|---|---|---|---|
| 2026 | 94 | 16.0% | 6.4% | 0.305 | 9 | 1.80 |
| 2025 | 448 | 17.2% | 2.9% | 0.326 | 199 | 9.05 |
| 2024 | 48 | 16.7% | 8.3% | 0.420 | -20 | -3.33 |
| 2023 | 33 | 15.2% | 6.1% | 0.317 | 4 | 2.00 |
| 2022 | 37 | 29.7% | 8.1% | 0.283 | 18 | 3.60 |
| 2021 | 71 | 14.1% | 2.8% | 0.371 | 18 | 4.50 |
2026 MLB Percentile Rankings
Arsenal
FB Velocity
57
94.1
FB Spin
51
2294
Extension
35
6.37
Results
xwOBA
66
0.305
Barrel %
83
4.3
Hard-Hit %
37
42.9
K %
17
16.0
BB %
77
6.4
Chase %
4
22.6
Whiff %
15
17.7
Command & Stuff
Pitching+
Expected run-value conceded per pitch against a rational hitter, standardized against the season. 100 = avg · 110 = 1 SD better.
Pitching+
111
≈ 87th pctl
Stuff+
96
if they swing
Command+
109
out-of-zone take RV
Strike quality+
92
RV of in-zone pitches
Crushable pitches
13.0%
53 meatballs
Putaway counts (0-2, 1-2)
0.037
RV per pitch · league 0.042
-0.006 better than avg · 123 pitches
Lower RV = more wasted whiff chances when they choose not to put hitters away.
Hitter's counts (3-0, 3-1, 2-0)
0.022
RV per pitch · league 0.029
-0.007 better than avg · 20 pitches
How often they groove get-me-overs vs. nibble safely.
Based on 408 pitches. RV = Statcast delta_run_exp; lower = better for the pitcher.
2026 Movement Profile (Induced Break)
MLB Avg.
| FF | SL | CH | ST | CU | SI | |
|---|---|---|---|---|---|---|
| Usage | 29% | 26% | 20% | 14% | 8% | 3% |
| MPH | 94.3 | 86.3 | 87.1 | 79.8 | 80.7 | 92.9 |
| RHP Avg | 95.0 | 86.7 | 86.9 | 83.3 | 80.2 | 94.3 |
2026 Tunneling
Where pitches are when the hitter commits — and where they end up. Tighter cluster on the left = more deceptive arsenal.
At Decision
23 ft out · ~280ms before arrival
At the Plate
Where they actually cross
FFSLCHSTCUSI
Decision point computed from Statcast kinematics (vx0/vy0/vz0, ax/ay/az) by projecting each pitch back to y = 23 ft. Coordinates in catcher’s view: 1B on the left, 3B on the right. RHP.
2026 Divergence from a Shared Origin
Every pitch type launched from the same decision-point — how far apart they end up by the plate. Bigger fan = harder arsenal to square up.
Distances from origin (in inches) show how far each pitch type separates itself from the common launch point by plate arrival. RHP.