Zack Kelly P Boston Red Sox
+0.2 WAR
Age 31 RHP 6'3" / 231 lbs MLB peak 0.2 · 2026
ERA4.34
FIP4.42
xFIP3.37
SIERA3.33
K%23.4%
BB%10.2%
K-BB%13.3%
IP34
trajectory · 10 yrs
0.2peak
2026
STUF5050
CTRL4040
CMD5050
K†6060
FB Velo
p7296.1
Whiff%
p3623.3%
K%
p5423.0%
xwOBA vs
p740.289
SL+1.4 (22%)
CT+0.7 (46%)
FB (29%)
SI (17%)
CH (3%)

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
201722ROKAZL Athletics13029120236113.0%6.2%1.2%3.773.43+0.5
201823A+Inland Empire 66ers180431784116315.5%11.9%3.7%2.935.31-0.2
201924AAMobile BayBears2113793478529520.3%9.6%1.7%3.633.55+1.4
202126AAAWorcester Red Sox360451886918230.8%10.4%1.2%2.182.47+1.3
202227MLBBoston Red Sox570632688326427.7%10.1%1.6%2.982.91+1.5
202328MLBBoston Red Sox1531574131437.04
202429MLBBoston Red Sox5836928774321025.3%10.0%4.4%3.254.63+0.3
202530MLBBoston Red Sox512642816731622.4%11.7%2.3%5.093.94+0.7
▸ 2026 Season
202631MLBBoston Red Sox708325114.32
ROS31MLBBOS28281193013425.0%10.5%3.0%4.284.37+0.2
2026 Total31MLBBOS371513514523.0%9.0%3.1%4.293.38+0.7
▸ 2027+ Projections — Marcel base + age-bracket aging
202732MLBBOS32321363214423.4%10.3%3.2%4.494.57+0.1
202833MLBBOS31311303014422.7%10.5%3.3%4.624.70+0.1
202934MLBBOS29291242713422.0%10.7%3.4%4.754.84+0.0
▸ Career (all levels · actual + projected)
Career2762141617754001854322.5%10.4%2.4%3.613.86+6.8
/ 200 IP13310200853192892122.5%10.4%2.4%3.613.86+3.3

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
Zack Kelly (OGILVIE) 4.37 25.0%10.5%3.0% 4.70 22.7%12.2%92 +0.33
Daniel Hudson R 2026 · 3.89 FIP 31 SU 3.89 22.3%8.6%2.9%.246 3.65 28.8%20.4%145 -0.24 1.69 468 78
Mike Broadway R 2026 · 4.63 FIP 31 SU 4.63 23.0%10.6%3.9%.282 1.74 195 78
Fernando Nieve R 2028 · 4.26 FIP 33 SU 4.26 22.0%10.5%3.1%.290 2.44 26.9%22.6%89 -1.82 1.94 112 77
Chris Hatcher R 2026 · 4.83 FIP 31 SU 4.83 23.8%9.4%4.6%.283 4.53 22.0%13.8%96 -0.30 2.93 176 77
David Robertson R 2026 · 3.30 FIP 31 SW 3.30 28.1%10.5%2.3%.297 2.39 34.6%26.8%138 -0.91 2.00 494 76
Ryan Cook R 2026 · 3.85 FIP 31 SW 3.85 25.1%10.8%2.7%.280 3.85 102 75
Jonathan Broxton R 2026 · 3.73 FIP 31 SW 3.73 24.5%8.2%3.0%.325 3.80 21.7%13.5%76 +0.07 3.65 137 74
Jon Edwards R 2026 · 4.43 FIP 31 SU 4.43 25.1%11.6%3.6%.290 2.39 132 72
Joe Kelly R 2026 · 3.25 FIP 31 SW 3.25 27.4%8.8%2.5%.312 2.66 29.2%18.8%81 -0.59 2.39 556 72
Yu Darvish R 2026 · 4.56 FIP 31 SU 4.56 27.2%11.7%4.2%.282 3.52 30.5%24.0%421 -1.04 1.99 1,253 72
Blake Wood R 2026 · 3.35 FIP 31 SW 3.35 25.3%9.3%2.2%.364 2.91 210 72
Ross Ohlendorf R 2027 · 3.33 FIP 32 SW 3.33 23.7%7.2%2.4%.342 4.98 23.4%12.7%66 +1.65 3.33 122 72
Brad Brach R 2026 · 3.39 FIP 31 SW 3.39 25.5%9.1%2.4%.254 3.70 22.8%11.1%129 +0.31 2.80 410 72
Fernando Rodriguez Jr. R 2026 · 3.38 FIP 31 SW 3.38 26.5%9.6%2.4%.241 3.98 23.3%13.2%105 +0.60 3.38 212 71
Tommy Nance R 2026 · 3.23 FIP 31 SU 3.23 29.1%9.2%2.6%.345 2.77 23.7%17.8%118 -0.46 2.11 300 71
Robert Stock R 2026 · 4.16 FIP 31 SU 4.16 23.0%8.5%3.5%.301 7.43 14.7%-1.9%23 +3.27 2.91 334 71
Matt Bush R 2026 · 3.65 FIP 31 SW 3.65 24.2%7.9%2.9%.321 4.65 17.6%4.6%23 +1.00 2.88 249 71
Yennier Cano R 2026 · 3.89 FIP 31 SW 3.89 21.1%9.2%2.6%.327 2.39 332 70
Ryan Brasier R 2026 · 4.09 FIP 31 SW 4.09 25.3%8.3%3.8%.278 3.53 24.3%18.2%99 -0.56 2.31 403 70
Carlos Fisher R 2027 · 3.45 FIP 32 SW 3.45 22.6%11.6%1.4%.236 3.18 22.5%11.1%91 -0.27 2.48 147 70

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.