Boston Red Sox· #57· Pitcher
Greg Weissert
Bats R · Throws R·Age 31 (Feb 4, 1995)·6' 2", 235 lb·Bay Shore, NY, USA
2026 Pitching
ERA
3.26
WHIP
1.24
IP
60.2
K%
23.5
BB%
7.8
K/9
8.90
W-L
4-2
GS
0
SV
1
HLD
8
DiamondIQ WAR
60.7 IP · 2026
0.6
5.8 runs above replacement
FIP · 3.97 (park 1.01)0.0
vs replacement · RP, 60.7 IP+5.8
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Sinker35% · 94.0 · 12% whiff
Four-Seam30% · 94.1 · 24% whiff
Changeup13% · 85.2 · 45% whiff
Sweeper13% · 82.0 · 37% whiff
Slider8% · 85.5 · 10% whiff
Curveball2% · 81.8 · 0% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Boston Red Sox | 4 | 2 | 3.26 | 63 | 0 | 1 | 60.2 | 60 | 20 | 1.24 | 8.90 |
| 2025 | Boston Red Sox | 6 | 6 | 2.82 | 72 | 0 | 4 | 67.0 | 57 | 21 | 1.16 | 7.66 |
| 2024 | Boston Red Sox | 4 | 2 | 3.13 | 62 | 0 | 1 | 63.1 | 58 | 20 | 1.34 | 8.24 |
| 2023 | New York Yankees | 0 | 0 | 4.05 | 17 | 0 | 0 | 20.0 | 22 | 8 | 1.45 | 9.90 |
| 2022 | New York Yankees | 3 | 0 | 5.56 | 12 | 0 | 0 | 11.1 | 11 | 5 | 0.97 | 8.74 |
Recent Games
Sep 25 vs Chicago CubsW
1.1 IP, 0 ER, 1 K, 2 BB
Sep 18 @ Tampa Bay RaysW
2.0 IP, 0 ER, 1 K, 0 BB
Sep 16 @ Texas RangersL
1.1 IP, 0 ER, 1 K, 0 BB
Sep 13 vs Kansas City RoyalsW
1.0 IP, 0 ER, 1 K, 0 BB
Sep 11 vs Kansas City RoyalsL
0.2 IP, 0 ER, 0 K, 0 BB
Sep 8 vs Los Angeles AngelsL
1.0 IP, 0 ER, 2 K, 0 BB
Sep 5 @ Baltimore OriolesW
0.2 IP, 0 ER, 1 K, 1 BB
Sep 1 vs Seattle MarinersL
1.0 IP, 0 ER, 1 K, 1 BB
Aug 30 @ New York YankeesL
0.2 IP, 0 ER, 1 K, 0 BB
Aug 28 @ New York YankeesL
0.2 IP, 0 ER, 1 K, 0 BB