BIGLEAGUE

Worcester Red Sox · Pitcher · #51

Seth Martinez

Age 316' 2" · 193lbBats R · Throws RDebut 2021From Peoria

ERA

9.00

W-L

0-0

K

1

WHIP

2.00

WAR

-0.0

FIP

4.08

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
0
9.00
WHIP
1
2.00
Strikeouts
0
1
K/9
52
9.00
Wins
7
0
Bottom of leagueAverage (50)Top of league

⚠ Below the 20 IP threshold. Percentiles are for reference only.

relief pitchers · by ERA

Top 100%

Seth Martinez's ERA (9.00) 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 Season19.000001.0102.00
Career1184.03662145.0127571.30

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sweeper40.9%avg 126 km/h
Sinker31.8%avg 143 km/h
Four-Seam18.2%avg 146 km/h
Changeup9.1%avg 133 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.500

K/9

9.00

BB/9

0.00

HR/9

0.00

Quality starts

0

Whiff%

36.4%

GAME LOG

Last 1 game · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.11@ TOR1.02101L

SPLITS

Situational splits (2026)

Away

Opp AVG.400
IP1.0
K1
WHIP2.00

vs LHP

Opp AVG.000
IP0.1
K1
WHIP0.00

vs RHP

Opp AVG.500
IP0.2
K0
WHIP3.00

RISP

Opp AVG.500
IP0.1
K1
WHIP3.00

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▲ Trending down year over year
ERA by yearFrom 15.00 in 2021 to 9.00 in 2026. Lower is better for this stat.2021 ERA: 15.0015.0020212022 ERA: 2.092.0920222023 ERA: 5.2320232024 ERA: 3.5920242025 ERA: 5.4020252026 ERA: 9.009.002026
Show yearly figures
ERA year-by-year details
YearERA
202115.00
20222.09
20235.23
20243.59
20255.40
20269.00

WHIPLower is better

▲ Trending down year over year
WHIP by yearFrom 2.67 in 2021 to 2.00 in 2026. Lower is better for this stat.2021 WHIP: 2.672.6720212022 WHIP: 1.031.0320222023 WHIP: 1.4920232024 WHIP: 1.2720242025 WHIP: 1.0520252026 WHIP: 2.002.002026
Show yearly figures
WHIP year-by-year details
YearWHIP
20212.67
20221.03
20231.49
20241.27
20251.05
20262.00

Strikeouts

▼ Trending down year over year
Strikeouts by yearFrom 3 in 2021 to 1 in 2026.2021 Strikeouts: 3320212022 Strikeouts: 3820222023 Strikeouts: 454520232024 Strikeouts: 3620242025 Strikeouts: 420252026 Strikeouts: 112026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
20213
202238
202345
202436
20254
20261
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2021HOU315.000003.0332.67
2022HOU292.0911038.238141.03
2023HOU355.2323143.045191.49
2024HOU443.5932152.236181.27
2025MIA65.400006.2431.05
2026BOS19.000001.0102.00