Yilber Díaz

P Toledo Mud Hens
Age 26 RHP 6'0" / 190 lbs AAA
Overview
AAARP40-MANROOKIE
YearAgeLvl / TeamGGSIPERAFIPK%BB%WARMLE rates
202423MIX3 levels28231333.803.2128.6%10.6%3.6K 24.4% · BB 10.8% · FIP 3.59
202524MIX4 levels3686010.206.7022.5%24.1%-1.5K 18.9% · BB 23.1% · FIP 6.49
202625MIX2 levels490604.803.9826.7%14.8%0.4K 24.1% · BB 13.3% · FIP 3.75
2027PROJ26MLBDET10901144.824.9724.1%16.1%-0.5
2028PROJ82% MLB27MLBDET910964.864.9423.8%15.3%-0.4
2029PROJ87% MLB28MLBDET830874.904.9723.6%14.9%-0.4
Last 3 seasons WAR 2.5  ·  Next 3 projected WAR -1.4Projected rows: MLB playing time only, park and league context applied.
Contract
No contract data on file.
Career WAR0.0 WAR median (P10 -0.3 / P90 1.0, comp-based) · star 0% · didn't stick 94%
CompsSean Isaac (age 25) · Grant Black (age 27) · Preston Johnson (age 24)
2027 FULL-SEASON PROJECTIONrates below = full-season projection
showingPROJ
wRC+ AGAINSTvL 128119vR 111
ERA4.82
FIP4.97
K%24.1%
BB%16.1%
K-BB%7.9%
Proj IP153
Value2027 · WAR
Runs saved vs league avg · 153 IP
K: +2.2 runs (Runs saved by strikeouts vs lg-avg K%)+2KBB: -13.4 runs (Runs saved by walk suppression vs lg-avg BB%)-13BBCONTACT: -2.2 runs (Runs saved on contact quality (HR suppression) vs lg)-2CONTACTSTAM: +20.7 runs (Replacement credit for innings volume)+21STAMTotal WAR: +0.77 (153 IP)+0.8WAR
-0.7-0.4-0.4272829
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 the standard WAR scale.

YearAge LvlTeam GGSIPBF KBBHR GS%IP/G K%BB%K-BB%HR% ERAFIP 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)
202120ROK MLEDSL D-backs 119126121171815%1.49.6%18.6%-9.0%1.2%5.135.33—
202120ROK RAWDSL D-backs 119126121171815%1.414.0%14.9%-0.8%0.8%5.134.35—
202221MIX MLE2 levels1917783299938589%4.122.5%13.5%9.1%1.9%4.063.97—
202221MIX RAW2 levels1917783299938589%4.130.1%11.6%18.5%1.5%4.062.86—
202322MIX MLE2 levels25251034401405814100%4.124.6%15.1%9.6%4.0%4.825.15—
202322MIX RAW2 levels25251034401405814100%4.131.8%13.2%18.6%3.2%4.823.84—
202423MIX MLE3 levels2823133555159591282%4.724.4%10.8%13.6%2.2%3.803.59+2.9
202423MIX MLE3 levels2823133555159591282%4.724.4%10.8%13.6%2.2%3.803.59+2.9
202423MIX RAW3 levels2823133555159591282%4.728.6%10.6%18.0%2.2%3.803.21+3.6
202524MIX MLE4 levels3686031571761022%1.718.9%23.1%-4.2%3.7%10.206.49-1.3
202524MIX MLE4 levels3686031571761022%1.718.9%23.1%-4.2%3.7%10.206.49-1.3
202524MIX RAW4 levels3686031571761022%1.722.5%24.1%-1.6%3.2%10.206.70-1.5
202625MIX MLE2 levels49060277744160%1.224.1%13.3%10.7%1.8%4.803.75+0.6
202625MIX MLE2 levels49060277744160%1.224.1%13.3%10.7%1.8%4.803.75+0.6
202625MIX RAW2 levels49060277744160%1.226.7%14.8%11.9%2.2%4.803.98+0.4
▸ Career totals (raw MLB only — as recorded)
MLB Career—134371682620531%2.915.5%11.9%3.6%3.0%6.275.06-0.2
▸ 2027 season — projected remainder (no 2027 stats recorded)
202726MLBDET109011448111678130%1.024.1%16.1%7.9%2.7%4.824.97-0.5
▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%)
202827MLB MLEDET111011649111775140%1.023.8%15.3%8.5%2.8%4.864.94-0.5
202928MLB MLEDET95010042310063120%1.123.6%14.9%8.7%2.9%4.904.97-0.5
203029MLB MLEDET850903788756120%1.122.9%14.8%8.1%3.1%5.005.09-0.5
203130MLB MLEDET760803377550110%1.122.2%14.9%7.3%3.2%5.165.28-0.6
202827MLB CTXDET910964059762110%1.123.8%15.3%8.5%2.8%4.864.94-0.4
202928MLB CTXDET830873678755110%1.023.6%14.9%8.7%2.9%4.904.97-0.4
203029MLB CTXDET760803387750100%1.122.9%14.8%8.1%3.1%5.005.09-0.5
203130MLB CTXDET700733086846100%1.022.2%14.9%7.3%3.2%5.165.28-0.6
▸ Career totals — MLB only (actual + projected)
Career— RAW33343741588355233471%1.122.4%14.7%7.7%3.0%5.104.70-0.7
/ 200 IP— RAW1782200850190125251%1.122.4%14.7%7.7%3.0%5.104.70-0.4
Career— MLE1767445920374563035442%2.622.4%14.9%7.5%2.7%5.114.56-2.5
/ 200 IP— MLE77322008871981322442%2.622.4%14.9%7.5%2.7%5.114.56-1.2

How the minor-league lines were translated

One row per minor-league stint. Open a row to see each step: the raw rate, the park adjustment, the league/level factor, the age adjustment (hitters) and the resulting MLE rate. Factors are the same ones listed on the MLE Factors page.

2026 AAAToledo Mud Hens · 54 IPFIP 3.52 → 3.75 (+0.23)K% 28.0% → 24.1%
ComponentRawPark ÷Level factor ×= MLE
K% /BF27.98%—×0.86024.07%
BB% (unintentional) /BF14.81%—×0.90013.33%
HR / BF /BF1.65%÷1.000×1.1001.81%

Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 100).

Result: FIP 3.52 → 3.75, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2025 AAAReno Aces · 41 IPFIP 7.06 → 7.43 (+0.37)K% 21.8% → 18.7%
ComponentRawPark ÷Level factor ×= MLE
K% /BF21.78%—×0.86018.73%
BB% (unintentional) /BF28.44%—×0.90025.60%
HR / BF /BF4.00%÷0.904×1.1004.87%

Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 81).

Result: FIP 7.06 → 7.43, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2025 AAAmarillo Sod Poodles · 14 IPFIP 2.78 → 3.34 (+0.55)K% 23.9% → 19.3%
ComponentRawPark ÷Level factor ×= MLE
K% /BF23.88%—×0.81019.34%
BB% (unintentional) /BF13.43%—×1.10014.78%
HR / BF /BF0.00%÷1.333×1.2000.00%

Factors used: pitcher AA level factors — K ×0.81, BB ×1.10, HR ×1.20. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 167).

Result: FIP 2.78 → 3.34, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2024 AAAmarillo Sod Poodles · 54 IPFIP 3.06 → 3.75 (+0.68)K% 34.2% → 27.7%
ComponentRawPark ÷Level factor ×= MLE
K% /BF34.22%—×0.81027.72%
BB% (unintentional) /BF12.89%—×1.10014.18%
HR / BF /BF2.22%÷1.229×1.2002.17%

Factors used: pitcher AA level factors — K ×0.81, BB ×1.10, HR ×1.20. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 146).

Result: FIP 3.06 → 3.75, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2024 AAAReno Aces · 50 IPFIP 2.70 → 2.92 (+0.22)K% 29.9% → 25.7%
ComponentRawPark ÷Level factor ×= MLE
K% /BF29.86%—×0.86025.68%
BB% (unintentional) /BF8.53%—×0.9007.68%
HR / BF /BF1.90%÷1.124×1.1001.85%

Factors used: pitcher AAA level factors (Triple-A 2023+ robo-zone set: walks improve on promotion) — K ×0.86, BB ×0.90, HR ×1.10. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 125).

Result: FIP 2.70 → 2.92, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2023 A+Hillsboro Hops · 88 IPFIP 3.86 → 5.35 (+1.48)K% 33.0% → 25.4%
ComponentRawPark ÷Level factor ×= MLE
K% /BF32.98%—×0.77025.39%
BB% (unintentional) /BF13.03%—×1.15014.99%
HR / BF /BF3.46%÷0.952×1.2504.54%

Factors used: pitcher A+ level factors — K ×0.77, BB ×1.15, HR ×1.25. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 90).

Result: FIP 3.86 → 5.35, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2023 AAAmarillo Sod Poodles · 15 IPFIP 3.63 → 3.98 (+0.35)K% 25.0% → 20.2%
ComponentRawPark ÷Level factor ×= MLE
K% /BF25.00%—×0.81020.25%
BB% (unintentional) /BF14.06%—×1.10015.47%
HR / BF /BF1.56%÷1.637×1.2001.15%

Factors used: pitcher AA level factors — K ×0.81, BB ×1.10, HR ×1.20. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 227).

Result: FIP 3.63 → 3.98, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

2022 AVisalia Rawhide · 48 IPFIP 2.56 → 3.84 (+1.27)K% 35.5% → 26.3%
ComponentRawPark ÷Level factor ×= MLE
K% /BF35.53%—×0.74026.29%
BB% (unintentional) /BF10.66%—×1.18012.58%
HR / BF /BF2.03%÷1.062×1.3002.49%

Factors used: pitcher A level factors — K ×0.74, BB ×1.18, HR ×1.30. Pitcher translation is level-wide (no per-league rows, no age adjustment); HR/BF is park-adjusted at half strength (park HR factor 112).

Result: FIP 2.56 → 3.84, computed from the rates in the table with the same formula before and after. The MLE line is not regressed to the mean — regression is applied when seasons are blended into a projection (how).

Career Comps

Completed MLB careers (no pro action in 2+ yrs) whose totals — actual + projected — most resemble this player's. Pool: 2,161 pitcher careers (1,251 from 1990-2025 + 910 historical, 1901-2023), also matched on career-to-date at the same age. * Historical (Lahman) careers: rates era-adjusted to 2001-24 league levels; WAR is an OGILVIE proxy.

Player162sIP/yrK%BB%HR/9ERA
OGILVIE CAREER PROJECTION2.99622.9%15.1%1.125.01
Dan Warthen ('75-'78, 1 WAR*)1.510224.8%*14.2%*1.27*4.86*
Tim Conroy ('78-'87, -3 WAR*)2.37820.8%*13.6%*1.12*5.23*
Bob Gibson ('83-'87, -0 WAR*)1.36720.4%*14.0%*1.14*4.52*
Touki Toussaint ('25)1.44023.1%14.1%1.245.42
Jonathan Sánchez ('13)3.911222.8%12.5%1.044.70
Rob Tejeda ('05-'11, 3 WAR*)2.27421.8%*12.6%*1.00*4.23*