Jeison Calvo
P ACL D-backs
Age 21
RHP
6'2" / 200 lbs
ROK
peak 0.3 · 2028
Overview
ROKPROSPECT
ETA2028MLB%0%
| Year | Age | Lvl / Team | G | GS | IP | ERA | FIP | K% | BB% | WAR | MLE rates |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 18 | ROKDSL Arizona R… | 11 | 9 | 39 | 3.46 | 2.13 | 26.5% | 9.9% | — | K 18.0% · BB 12.3% · FIP 3.14 |
| 2025 | 19 | ROKARI | 11 | 2 | 27 | 6.33 | 2.73 | 21.8% | 12.0% | — | K 14.8% · BB 15.0% · FIP 3.75 |
| 2027PROJ | 21 | MLBARI | 3 | 3 | 18 | 4.87 | 4.87 | 21.3% | 12.6% | 0.0 | |
| 2028PROJ49% MLB | 22 | MLBARI | 2 | 2 | 13 | 4.67 | 4.57 | 22.4% | 11.2% | 0.0 |
Next 2 projected WAR 0.1Projected rows: MLB playing time only, park and league context applied.
Contract
No contract data on file.
CompsKobe Robinson (age 21) · Juan Mendez (age 22) · Ray Gaither (age 24)
2027 FULL-SEASON PROJECTIONrates below = full-season projection
showingPROJ
wRC+ AGAINSTvL 126118vR 109
ERA4.87
FIP4.87
K%21.3%
BB%12.6%
K-BB%8.8%
Proj IP18
Value2027 · WAR
Runs saved vs league avg · 18 IP
Grades · Contract
Contract
No contract data on file. Pre-MLB players and minor-league free agents do not yet have salary projections — entries are added at first 40-man roster placement.
Career Stats + Projections
Real MLB stats plus park-adjusted projections — this season (so far / rest / full), then future seasons and career totals.
basis chips:
RAW = as recorded ·
CTX = with park/league context ·
A+C = actual + context combined ·
MLE = level/park-neutral
Methodology▸ how WAR & MLE are computed
Stats are park-neutral MLB equivalents. The "TEAM" column shows current org affiliation only — we do NOT project at that team's park.
Rates (K%, BB%, HR-BF) are park-stripped; MiLB stat lines are translated to their MLB-equivalent via per-level MLE factors.
WAR is computed from projected runs prevented vs a replacement pitcher (the marginal arm a team would call up if this pitcher were unavailable) — calibrated to industry-standard fWAR.
| Year | Age | Lvl | Team | G | GS | IP | BF | K | BB | HR | GS% | IP/G | K% | BB% | K-BB% | HR% | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ Career — actual stats, one row per year (as recorded, no adjustments) | |||||||||||||||||||
| ▸ Career — adjusted (each season translated to a park/league-neutral MLB-equivalent line; levels combined per year) | |||||||||||||||||||
| ▸ Model inputs — neutral MLE (past 3 seasons + 2027 so far) | |||||||||||||||||||
| 2023 | 17 | ROK MLE | DSL Arizona Red | 11 | 6 | 31 | 151 | 32 | 28 | 1 | 55% | 2.8 | 14.4% | 23.2% | -8.8% | 1.1% | 6.10 | 5.43 | — |
| 2023 | 17 | ROK RAW | DSL Arizona Red | 11 | 6 | 31 | 151 | 32 | 28 | 1 | 55% | 2.8 | 21.2% | 18.5% | 2.6% | 0.7% | 6.10 | 4.16 | — |
| 2024 | 18 | ROK MLE | DSL Arizona Red | 11 | 9 | 39 | 162 | 43 | 16 | 0 | 82% | 3.5 | 18.0% | 12.3% | 5.7% | 0.0% | 3.46 | 3.14 | — |
| 2024 | 18 | ROK MLE | DSL Arizona Red | 11 | 9 | 39 | 162 | 43 | 16 | 0 | 82% | 3.5 | 18.0% | 12.3% | 5.7% | 0.0% | 3.46 | 3.14 | — |
| 2024 | 18 | ROK RAW | DSL Arizona Red | 11 | 9 | 39 | 162 | 43 | 16 | 0 | 82% | 3.5 | 26.5% | 9.9% | 16.7% | 0.0% | 3.46 | 2.13 | — |
| 2025 | 19 | ROK MLE | ACL D-backs | 11 | 2 | 27 | 133 | 29 | 16 | 0 | 18% | 2.5 | 14.8% | 15.0% | -0.2% | 0.0% | 6.33 | 3.75 | — |
| 2025 | 19 | ROK MLE | ACL D-backs | 11 | 2 | 27 | 133 | 29 | 16 | 0 | 18% | 2.5 | 14.8% | 15.0% | -0.2% | 0.0% | 6.33 | 3.75 | — |
| 2025 | 19 | ROK RAW | ACL D-backs | 11 | 2 | 27 | 133 | 29 | 16 | 0 | 18% | 2.5 | 21.8% | 12.0% | 9.8% | 0.0% | 6.33 | 2.73 | — |
| ▸ 2027 season — projected remainder (no 2027 stats recorded) | |||||||||||||||||||
| 2027 | 21 | MLB | ARI | 3 | 3 | 18 | 76 | 16 | 10 | 2 | 100% | 6.0 | 21.3% | 12.6% | 8.8% | 2.9% | 4.87 | 4.87 | +0.0 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%) | |||||||||||||||||||
| 2028 | 22 | MLB MLE | ARI | 4 | 4 | 26 | 108 | 24 | 12 | 3 | 100% | 6.4 | 22.4% | 11.2% | 11.3% | 2.9% | 4.67 | 4.57 | +0.1 |
| 2028 | 22 | MLB CTX | ARI | 2 | 2 | 13 | 55 | 12 | 6 | 2 | 100% | 6.5 | 22.4% | 11.2% | 11.3% | 2.9% | 4.67 | 4.57 | +0.0 |
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||
| Career | — | RAW | 2 | 2 | 13 | 53 | 12 | 6 | 2 | 100% | 6.3 | 22.4% | 11.2% | 11.3% | 2.9% | 4.67 | 4.19 | +0.1 | |
| / 200 IP | — | RAW | 35 | 35 | 200 | 844 | 191 | 96 | 32 | 100% | 5.7 | 22.4% | 11.2% | 11.3% | 2.9% | 4.67 | 4.19 | +1.7 | |
| Career | — | MLE | 33 | 17 | 97 | 446 | 71 | 75 | 2 | 52% | 2.9 | 15.9% | 16.8% | -1.0% | 0.4% | 5.10 | 4.10 | +0.1 | |
| / 200 IP | — | MLE | 68 | 35 | 200 | 920 | 146 | 155 | 3 | 52% | 2.9 | 15.9% | 16.8% | -1.0% | 0.4% | 5.10 | 4.10 | +0.8 | |