Greg Weissert P Boston Red Sox
+0.5 WAR
Age 31 RHP 6'2" / 235 lbs MLB peak 0.6 · 2026
ERA3.66
FIP4.02
xFIP1.99
SIERA2.00
K%21.9%
BB%7.5%
K-BB%14.4%
IP57
trajectory · 10 yrs
0.6peak
2026
STUF4040
CTRL5555
CMD5050
K†5055
FB Velo
p4494.1
Whiff%
p2922.4%
K%
p3820.5%
xwOBA vs
p740.289
FB+2.0 (62%)
SL (30%)
SI (36%)
CU (3%)
CH-2.5 (8%)

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
201621ACharleston RiverDogs17019852511119.4%19.3%2.3%2.845.19-0.1
201823A+Tampa Tarpons360612668625424.3%10.9%2.3%3.123.67+0.9
201924AATrenton Thunder390652797735321.7%14.2%1.4%4.023.83+0.9
202126AAAScranton/Wilkes-Barre RailRiders400492076026224.8%13.3%0.9%1.643.20+1.0
202227MLBNew York Yankees540592388123432.4%9.9%1.7%2.432.57+1.6
202328MLBNew York Yankees550602568025828.5%10.1%3.2%3.283.72+0.8
202429MLBBoston Red Sox660692856518822.1%6.1%2.8%2.993.55+1.2
202530MLBBoston Red Sox720672785720620.5%7.2%2.1%2.823.44+1.2
▸ 2026 Season
202631MLBBoston Red Sox8073211336.14
ROS31MLBBOS50502094415620.9%7.4%2.7%3.654.13+0.5
2026 Total31MLBBOS572415518922.7%7.7%3.6%3.973.60+0.9
▸ 2027+ Projections — Marcel base + age-bracket aging
202732MLBBOS55552315118722.1%7.7%3.2%4.104.33+0.4
202833MLBBOS52522204717721.4%7.9%3.3%4.324.46+0.3
202934MLBBOS50502094317720.8%8.1%3.4%4.494.60+0.2
203035MLBBOS47471973916720.0%8.3%3.5%4.654.75+0.1
203136MLBBOS44441853516719.2%8.6%3.6%4.814.92+0.0
▸ Career (all levels · actual + projected)
Career387045719264742024324.6%10.5%2.2%2.993.58+8.9
/ 200 IP1690200842207881924.6%10.5%2.2%2.993.58+3.9

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
Greg Weissert (OGILVIE) 4.13 20.9%7.4%2.7% 4.46 21.5%13.6%156 +0.33
Angel Castro R 2027 · 4.53 FIP 32 SW 4.53 15.9%8.0%3.2%.268 4.27 13.6%5.5%231 -0.26 3.50 292 82
Jean Machi R 2028 · 4.63 FIP 33 SW 4.63 16.3%8.6%3.3%.276 4.24 18.5%11.9%128 -0.39 4.11 186 81
Junichi Tazawa R 2026 · 4.53 FIP 31 SW 4.53 16.0%7.6%3.3%.270 4.84 19.3%9.7%63 +0.31 2.99 227 80
Hector Ambriz R 2027 · 3.55 FIP 32 SW 3.55 16.0%6.4%1.8%.273 6.40 10.4%2.9%91 +2.85 3.55 155 80
Juan Sandoval R 2029 · 3.82 FIP 34 SW 3.82 15.4%6.0%2.3%.294 3.34 17.4%8.8%116 -0.48 3.21 225 80
Chris Leroux R 2026 · 4.22 FIP 31 SW 4.22 15.2%8.6%2.4%.279 4.06 13.5%5.5%140 -0.16 4.06 219 80
Yoanner Negrin R 2026 · 3.80 FIP 31 SW 3.80 15.1%7.5%1.9%.256 3.29 15.0%8.5%270 -0.51 3.15 485 79
Felipe Arredondo R 2025 · 4.79 FIP 30 SW 4.79 14.8%7.3%3.7%.311 4.68 16.2%9.1%64 -0.11 3.93 337 79
Edwin Jackson R 2026 · 3.75 FIP 31 SW 3.75 17.5%8.8%1.9%.244 4.71 17.6%7.8%377 +0.96 3.75 521 79
Jim Johnson R 2027 · 3.34 FIP 32 SW 3.34 17.2%6.2%1.7%.330 3.67 22.0%14.1%185 +0.33 2.57 251 79
Elian Leyva R 2025 · 4.30 FIP 30 SW 4.30 17.0%8.5%2.9%.323 3.11 158 78
Tim Dillard R 2027 · 3.60 FIP 32 SW 3.60 15.9%7.7%1.6%.330 3.87 16.7%8.1%144 +0.27 3.12 352 78
Alexi Ogando R 2026 · 5.21 FIP 31 SW 5.21 19.1%9.4%4.6%.253 3.95 17.2%8.0%67 -1.26 3.80 132 78
Kevin Jepsen R 2026 · 3.46 FIP 31 SW 3.46 20.7%9.1%1.7%.241 5.68 16.9%7.2%90 +2.22 3.46 160 78
Jair Jurrjens R 2026 · 4.27 FIP 31 SW 4.27 16.3%7.9%2.8%.335 4.27 125 78
Tyler Herron R 2025 · 3.99 FIP 30 SW 3.99 16.4%8.7%2.1%.377 3.99 117 77
Tony Barnette R 2027 · 3.05 FIP 32 SW 3.05 19.9%6.1%1.6%.281 3.28 23.4%17.0%84 +0.23 2.56 144 77
Tyler Sturdevant R 2026 · 4.49 FIP 31 SW 4.49 13.5%6.7%3.1%.300 3.47 149 77
Erik Davis R 2026 · 3.54 FIP 31 SW 3.54 17.4%8.9%1.4%.317 3.05 227 77
Zack Segovia R 2027 · 4.81 FIP 32 SU 4.81 15.0%8.3%3.5%.314 3.37 20.2%14.3%39 -1.44 3.37 144 77

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.