Marlin Willis P Northwest Arkansas Naturals
+0.1 WAR
Age 28 LHP 6'4" / 190 lbs AA peak 0.1 · 2026
ERA4.75
FIP4.75
xFIP
SIERA
K%21.3%
BB%12.3%
K-BB%9.1%
IP27
trajectory · 10 yrs
0.1peak
2026
K†5050

Career (MLE) + Projections

Park-neutral MLB-equivalent. MiLB translated via MLE factors. FIP-based WAR vs replacement FIP=5.3 (SP) / 4.95 (RP, <80 IP). FIP+ = runs above league-avg FIP · REP = replacement-level bonus.

YearAge LvlTeam GGSIPBF KBBHR K%BB%HR% ERAFIP WAR
201719ROKAZL Royals83219213509.6%6.8%0.0%3.803.15+0.4
201820ROKBurlington Royals113392043234510.7%20.8%3.4%8.386.72-0.8
202123AColumbia Fireflies260412046238123.4%24.3%0.6%6.154.53+0.2
202224AColumbia Fireflies270422066339322.6%22.3%1.7%4.934.96-0.0
202325A+Quad Cities River Bandits290311594744022.8%31.8%0.0%7.845.21-0.1
202527AANorthwest Arkansas Naturals260381704122215.4%16.1%1.5%4.934.67+0.1
▸ 2026 Season
202628MLBKC27271132414321.3%12.2%2.8%4.754.75+0.1
▸ 2027+ Projections — Marcel base + age-bracket aging
202729MLBKC26261112413321.4%12.0%2.8%4.734.75+0.1
▸ Career (all levels · actual + projected)
Career127621210351872221418.1%21.5%1.4%6.105.05+0.6
/ 200 IP12062009751762091318.1%21.5%1.4%6.105.05+0.6

Career Path Comps

What happened to similar pitchers from this age · Y-axis: ERA+ (100 = league avg, 150 = elite, 80 = below) · Bands: P10–P90 outer, P25–P75 inner · Gold: OGILVIE projection

Profile at Match Age Next 3 Yrs Career
CompAgeRole FIPK%BB%HR/BFBABIP FIPK%K-BB%IP ΔFIPLow FIPIPMatch
Marlin Willis (OGILVIE) 4.75 21.3%12.2%2.8% 4.75 21.4%9.4%26 +0.00
Jeff Ibarra L 2026 · 3.79 FIP 28 SU 3.79 17.8%9.7%1.8%.321 3.32 19.2%13.8%66 -0.47 2.89 101 85
Ashur Tolliver L 2026 · 4.19 FIP 28 SU 4.19 21.3%9.8%3.0%.308 5.03 13.8%-5.1%35 +0.84 3.48 134 83
Jeremy Horst L 2027 · 4.12 FIP 29 SW 4.12 18.8%11.2%2.2%.291 3.71 15.1%2.7%48 -0.41 3.71 108 82
Josh Edgin L 2027 · 3.63 FIP 29 SU 3.63 22.1%13.2%1.3%.359 3.83 23.2%13.6%80 +0.20 3.62 113 81
Jason Blanchard L 2026 · 4.57 FIP 28 SU 4.57 19.9%12.4%2.9%.317 2.44 171 81
Dario Alvarez L 2026 · 3.67 FIP 28 SU 3.67 24.7%12.4%2.0%.336 3.47 20.7%8.3%27 -0.20 3.47 160 80
Josh Osich L 2026 · 5.26 FIP 28 SU 5.26 21.4%12.9%4.2%.328 4.44 21.1%14.1%143 -0.82 3.41 315 79
Trevor Lane L 2026 · 4.05 FIP 28 SU 4.05 22.2%12.7%2.2%.317 2.14 246 79
Ryan Verdugo L 2026 · 3.61 FIP 28 SW 3.61 19.8%10.8%1.5%.281 3.36 22.7%17.3%82 -0.25 3.36 153 79
Dan Runzler L 2028 · 3.78 FIP 30 SU 3.78 19.0%13.1%1.1%.383 4.03 16.5%4.0%63 +0.25 3.78 127 79
Zac Rosscup L 2025 · 4.57 FIP 27 SU 4.57 24.6%11.0%3.9%.296 2.82 29.5%21.7%40 -1.75 2.58 160 78
Jordan Harrison L 2026 · 3.82 FIP 28 SU 3.82 19.1%9.7%2.0%.311 3.82 244 78
Tommy Layne L 2028 · 3.64 FIP 30 SU 3.64 21.7%12.1%1.6%.284 3.27 20.2%11.0%97 -0.37 1.32 182 78
Kevin Siegrist L 2026 · 3.74 FIP 28 SU 3.74 25.0%11.6%2.3%.327 2.75 176 77
Aaron Brown L 2025 · 4.02 FIP 27 SW 4.02 22.9%13.5%2.1%.317 4.77 19.4%6.7%129 +0.75 4.02 269 77
Juan Grullon L 2024 · 4.67 FIP 26 SW 4.67 19.8%10.9%3.4%.305 4.67 134 77
Mike Minor L 2026 · 5.65 FIP 28 SU 5.65 19.2%11.8%4.9%.330 3.73 23.2%16.4%443 -1.92 2.38 807 77
Marlon Arias L 2028 · 4.30 FIP 30 SW 4.30 16.8%12.2%2.0%.330 3.73 17.2%9.5%22 -0.57 3.73 154 77
Keith Hessler L 2026 · 5.16 FIP 28 SU 5.16 15.5%11.8%3.4%.324 5.04 19.8%6.5%53 -0.12 3.29 228 76
Sam Freeman L 2026 · 4.23 FIP 28 SU 4.23 23.4%14.6%2.3%.265 3.56 22.0%10.3%166 -0.67 3.06 299 76

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.