Tyler Duffey

P Omaha Storm Chasers
Age 36 RHP 6'3" / 220 lbs AAA peak 0.1 · 2027
Overview
AAARP
YearAgeLvl / TeamGGSIPERAFIPK%BB%WARMLE rates
202231MIX2 levels510555.074.3721.6%7.9%0.1K 20.9% · BB 8.0% · FIP 4.41
202332MIX3 levels402513.514.1529.9%11.8%0.2K 25.0% · BB 11.4% · FIP 4.83
202433MIX2 levels320402.952.9726.0%11.2%0.7K 23.0% · BB 7.8% · FIP 3.00
202534No MLB games played
202635No MLB games played
2027PROJ36MLBKC220234.314.3322.7%9.1%0.1
2028PROJ37MLBKC10701124.564.7321.6%9.7%-0.2
2029PROJ38MLBKC760804.925.1620.4%10.4%-0.5
Last 3 seasons WAR 1.1  ·  Next 3 projected WAR -0.7Projected rows: MLB playing time only, park and league context applied.
Contract
No contract data on file.
CompsKeiichi Yabu (age 36) · Juan Sandoval (age 36) · Francisco Del Rosario (age 36)
2027 FULL-SEASON PROJECTIONrates below = full-season projection
showingPROJ
wRC+ AGAINSTvL 115107vR 99
ERA4.31
FIP4.33
K%22.7%
BB%9.1%
K-BB%13.6%
Proj IP165
Value2027 · WAR
Runs saved vs league avg · 165 IP
K: +0.4 runs (Runs saved by strikeouts vs lg-avg K%)+0KBB: -0.5 runs (Runs saved by walk suppression vs lg-avg BB%)-1BBCONTACT: -2.6 runs (Runs saved on contact quality (HR suppression) vs lg)-3CONTACTSTAM: +22.4 runs (Replacement credit for innings volume)+22STAMTotal WAR: +2.06 (165 IP)+2.1WAR
0.4-0.22728
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)
201524MIX MLE3 levels3232196801175505100%6.119.5%6.5%13.0%0.6%2.712.62+7.0
201524MIX RAW3 levels3232196801175505100%6.121.8%6.2%15.6%0.6%2.712.41+7.7
201625MIX MLE2 levels31311647211394129100%5.318.9%5.8%13.1%4.1%5.774.48+1.7
201625MIX RAW2 levels31311647211394129100%5.319.3%5.7%13.6%4.0%5.774.46+1.8
201726MLB MLEMinnesota Twins56071310671390%1.321.6%4.2%17.4%2.9%4.943.39+1.0
201726MLB RAWMinnesota Twins56071310671390%1.321.6%4.2%17.4%2.9%4.943.41+1.0
201827MIX MLE2 levels501843538222112%1.721.1%6.5%14.6%3.5%4.184.04+0.5
201827MIX RAW2 levels501843538222112%1.723.2%6.2%17.0%3.1%4.183.64+0.9
201928MIX MLE2 levels650712911041880%1.134.8%6.3%28.6%2.7%2.272.45+1.8
201928MIX RAW2 levels650712911041880%1.135.7%6.2%29.6%2.7%2.272.40+1.8
202029MLB MLEMinnesota Twins220249231620%1.133.7%6.5%27.2%2.2%1.882.27+0.7
202029MLB RAWMinnesota Twins220249231620%1.133.7%6.5%27.2%2.2%1.882.35+0.6
202130MLB MLEMinnesota Twins64062254612740%1.024.0%10.6%13.4%1.6%3.183.28+0.9
202130MLB RAWMinnesota Twins64062254612740%1.024.0%10.6%13.4%1.6%3.183.28+0.9
202231MIX MLE2 levels51055241521990%1.120.9%8.0%12.9%3.8%5.074.41+0.1
202231MIX RAW2 levels51055241521990%1.121.6%7.9%13.7%3.7%5.074.37+0.1
202332MIX MLE3 levels40251204612485%1.325.0%11.4%13.7%4.4%3.514.83-0.2
202332MIX RAW3 levels40251204612485%1.329.9%11.8%18.1%3.9%3.514.15+0.2
202433MIX MLE2 levels32040169441920%1.223.0%7.8%15.2%1.6%2.953.00+0.7
202433MIX MLE2 levels32040169441920%1.223.0%7.8%15.2%1.6%2.953.00+0.7
202433MIX RAW2 levels32040169441920%1.226.0%11.2%14.8%1.2%2.952.97+0.7
▸ Career totals (raw MLB only — as recorded)
MLB Career—3053748620734791346712%1.623.1%6.5%16.6%3.2%4.573.75+4.6
▸ 2027 season — projected remainder (no 2027 stats recorded)
202736MLBKC220239722930%1.022.7%9.1%13.6%2.9%4.314.33+0.1
▸ Career projection (2028+) — MLB context, MLB playing time (IP × MLB%)
202837MLB MLEKC107011247210246160%1.021.6%9.7%11.9%3.4%4.564.73-0.2
202938MLB MLEKC760803386935130%1.120.4%10.4%10.0%3.8%4.925.16-0.5
202837MLB CTXKC107011247310246160%1.021.6%9.7%11.9%3.4%4.564.73-0.2
202938MLB CTXKC760803386935130%1.120.4%10.4%10.0%3.8%4.925.16-0.5
▸ Career totals — MLB only (actual + projected)
Career— RAW488376782884650215968%1.422.5%7.5%15.1%3.3%4.613.96+4.7
/ 200 IP— RAW1441120085119263288%1.422.5%7.5%15.1%3.3%4.613.96+1.4
Career— MLE4436681834367682369015%1.822.3%6.9%15.5%2.6%3.863.53+3.8
/ 200 IP— MLE10816200840188582215%1.822.3%6.9%15.5%2.6%3.863.53+1.1

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.

2024 AAAOmaha Storm Chasers · 31 IPFIP 2.80 → 3.00 (+0.20)K% 26.8% → 23.0%
ComponentRawPark ÷Level factor ×= MLE
K% /BF26.77%—×0.86023.02%
BB% (unintentional) /BF8.66%—×0.9007.80%
HR / BF /BF1.57%÷1.111×1.1001.56%

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 122).

Result: FIP 2.80 → 3.00, 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 AAAIowa Cubs · 45 IPFIP 4.35 → 4.83 (+0.48)K% 29.1% → 25.0%
ComponentRawPark ÷Level factor ×= MLE
K% /BF29.12%—×0.86025.04%
BB% (unintentional) /BF12.64%—×0.90011.37%
HR / BF /BF3.85%÷0.965×1.1004.38%

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 93).

Result: FIP 4.35 → 4.83, 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 AAAScranton/Wilkes-Barre RailRiders · 11 IPFIP 3.25 → 3.63 (+0.38)K% 23.2% → 20.4%
ComponentRawPark ÷Level factor ×= MLE
K% /BF23.21%—×0.88020.43%
BB% (unintentional) /BF8.93%—×1.0509.38%
HR / BF /BF1.79%÷1.006×1.1001.95%

Factors used: pitcher AAA level factors — K ×0.88, BB ×1.05, 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 101).

Result: FIP 3.25 → 3.63, 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).

2019 AAARochester Red Wings · 14 IPFIP 0.79 → 1.27 (+0.48)K% 41.5% → 36.5%
ComponentRawPark ÷Level factor ×= MLE
K% /BF41.51%—×0.88036.53%
BB% (unintentional) /BF9.43%—×1.0509.91%
HR / BF /BF0.00%÷0.958×1.1000.00%

Factors used: pitcher AAA level factors — K ×0.88, BB ×1.05, 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 92).

Result: FIP 0.79 → 1.27, 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).

2018 AAARochester Red Wings · 59 IPFIP 2.98 → 3.57 (+0.59)K% 25.6% → 22.5%
ComponentRawPark ÷Level factor ×= MLE
K% /BF25.61%—×0.88022.54%
BB% (unintentional) /BF7.32%—×1.0507.68%
HR / BF /BF2.03%÷0.879×1.1002.54%

Factors used: pitcher AAA level factors — K ×0.88, BB ×1.05, 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 76).

Result: FIP 2.98 → 3.57, 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).

2016 AAARochester Red Wings · 31 IPFIP 4.38 → 4.92 (+0.54)K% 20.0% → 17.6%
ComponentRawPark ÷Level factor ×= MLE
K% /BF20.00%—×0.88017.60%
BB% (unintentional) /BF9.60%—×1.05010.08%
HR / BF /BF3.20%÷0.951×1.1003.70%

Factors used: pitcher AAA level factors — K ×0.88, BB ×1.05, 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 90).

Result: FIP 4.38 → 4.92, 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).

2015 AAARochester Red Wings · 85 IPFIP 2.27 → 2.52 (+0.25)K% 19.5% → 17.1%
ComponentRawPark ÷Level factor ×= MLE
K% /BF19.48%—×0.88017.15%
BB% (unintentional) /BF5.16%—×1.0505.42%
HR / BF /BF0.29%÷0.956×1.1000.33%

Factors used: pitcher AAA level factors — K ×0.88, BB ×1.05, 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 91).

Result: FIP 2.27 → 2.52, 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).

2015 AAChattanooga Lookouts · 53 IPFIP 1.65 → 2.14 (+0.48)K% 25.7% → 20.8%
ComponentRawPark ÷Level factor ×= MLE
K% /BF25.71%—×0.81020.83%
BB% (unintentional) /BF5.71%—×1.1006.29%
HR / BF /BF0.00%÷1.232×1.2000.00%

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 146).

Result: FIP 1.65 → 2.14, 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 PROJECTION4.27722.6%8.1%1.264.55
Brett Cecil ('18)3.87620.7%8.3%1.144.29
Carlos Villanueva ('16)5.09120.4%7.6%1.254.31
Odell Jones ('75-'88, 2 WAR*)2.77820.8%*8.8%*1.18*4.62*
Juan Nicasio ('20)3.68021.3%8.3%1.044.71
Tom Walker ('72-'77, 1 WAR*)2.18320.9%*7.5%*1.28*4.32*
Rich Bordi ('80-'88, 1 WAR*)1.97420.8%*7.3%*1.22*4.55*