BIGLEAGUE

Boston Red Sox · Pitcher · #57

Greg Weissert

Age 316' 2" · 235lbBats R · Throws RDebut 2022From Bay Shore

ERA

4.01

W-L

3-2

K

49

WHIP

1.26

WAR

0.0

FIP

4.30

Awards

2 major honors

All-Star ×2

2022

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
46
4.01
WHIP
58
1.26
Strikeouts
62
49
K/9
49
8.94
Wins
63
3
Bottom of leagueAverage (50)Top of league

relief pitchers · by ERA

Top 54%

Greg Weissert's ERA (4.01) ranks below average among 290 relievers with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career
CategoryGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2026 Season524.0132149.149161.26
Career2153.4516106211.0197701.26

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sinker35.6%avg 151 km/h
Four-Seam27.8%avg 151 km/h
Sweeper13.7%avg 132 km/h
Changeup11.6%avg 137 km/h
Slider8.9%avg 138 km/h
Curveball2.4%avg 131 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.288

K/9

8.94

BB/9

2.92

HR/9

1.46

Quality starts

0

Whiff%

23.4%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.22vs SF1.01002W
08.19vs AZ1.02211L
08.17vs AZ1.01001W
08.13@ TOR1.00011W
08.06vs CWS1.02113W
08.04vs CWS0.20010W
08.02@ LAD0.10000W
07.30@ ATH1.01001W
07.29@ ATH1.00002W
07.26vs TOR1.01001W

SPLITS

Situational splits (2026)

Home

Opp AVG.294
IP27.0
K29
WHIP1.56

Away

Opp AVG.177
IP22.1
K20
WHIP0.90

vs LHP

Opp AVG.303
IP16.0
K13
WHIP1.75

vs RHP

Opp AVG.213
IP33.0
K36
WHIP1.03

RISP

Opp AVG.220
IP13.2
K16
WHIP1.17

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▲ Trending down year over year
ERA by yearFrom 5.56 in 2022 to 4.01 in 2026. Lower is better for this stat.2022 ERA: 5.565.5620222023 ERA: 4.0520232024 ERA: 3.1320242025 ERA: 2.822.8220252026 ERA: 4.014.012026
Show yearly figures
ERA year-by-year details
YearERA
20225.56
20234.05
20243.13
20252.82
20264.01

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 0.97 in 2022 to 1.26 in 2026. Lower is better for this stat.2022 WHIP: 0.970.9720222023 WHIP: 1.451.4520232024 WHIP: 1.3420242025 WHIP: 1.1620252026 WHIP: 1.261.262026
Show yearly figures
WHIP year-by-year details
YearWHIP
20220.97
20231.45
20241.34
20251.16
20261.26

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 11 in 2022 to 49 in 2026.2022 Strikeouts: 111120222023 Strikeouts: 2220232024 Strikeouts: 585820242025 Strikeouts: 5720252026 Strikeouts: 49492026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
202211
202322
202458
202557
202649
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2022NYY125.5630011.11150.97
2023NYY174.0500020.02281.45
2024BOS623.1342163.158201.34
2025BOS722.8266467.057211.16
2026BOS524.0132149.149161.26