BASE KEEP
The Keep · The Diamond · The Farm
Player File · SP NYM
Jonah Tong
#21 · SP · NYM · age 23 · B/T RR · 6' 1" / 180 lbs · MLB debut 2025 · Markham, Canada
Keep avg304.33
# Boards3
BK Value360
Spread173-382
No MLB box score yet - prospect file. The Keep rank is the projection, not a 2026 line.
The Farm
Arrival 2026
Triple-A punchouts. Mets rotation as soon as a slot opens.
AAA · 6 MLB games · 5 boards · avg 64.0
The 2026 line
Keep #325 · avg 304.33 · 3 boards
Baseball Savant
Starcast · spray · pitch
Percentile ranks (Starcast) plus the official Savant spray chart for bats and pitch chart for arms. Open the full Baseball Savant page.
Pitcher · 2026
FB Velo
71
FB Spin
41
Max EV
89
Pitch chart
Minus
- Board spread 173-382 (209 ranks).
Board graph
Spread 173-382 · 3 sources
Every Board
Spread 173-382 · 3 sources
| Source | Rank |
|---|---|
| FantasyPros Dynasty ECR | 173 |
| RotoGraphs Model | 358 |
| TDG Points | 382 |
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