BIGLEAGUE

San Francisco Giants · Pitcher · #48

Reiver Sanmartin

Age 306' 1" · 188lbBats L · Throws LDebut 2021From Cartagena

ERA

5.68

W-L

1-0

K

10

WHIP

1.58

WAR

-0.2

FIP

5.74

Awards

1 major honor

All-Star

2021

League Percentile

2026 season · percentile vs 290 relievers with 20+ IP
the entire league54relief pitchers290
ERA
14
5.68
WHIP
13
1.58
Strikeouts
0
10
K/9
18
7.11
Wins
23
1
Bottom of leagueAverage (50)Top of league

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

relief pitchers · by ERA

Top 86%

Reiver Sanmartin's ERA (5.68) 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 Season125.6810012.21041.58
Career745.6684097.083461.64

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity
Sinker34.5%avg 148 km/h
Slider29.1%avg 133 km/h
Changeup27.2%avg 140 km/h
Four-Seam9.2%avg 149 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.333

K/9

7.11

BB/9

2.84

HR/9

2.13

Quality starts

0

Whiff%

20.9%

GAME LOG

Last 10 games · includes team result
DateOppInningsHitsERWalksStrikeoutsTeam
08.24vs CIN1.00000W
08.21@ BOS2.01010L
08.18@ CLE2.02012L
08.16vs COL0.22100L
08.14vs COL0.10001L
08.12vs HOU1.00002L
08.11vs HOU0.10000W
08.08vs DET0.24300L
08.04@ TEX0.23111L
08.03@ TEX0.20000W

SPLITS

Situational splits (2026)

Home

Opp AVG.313
IP7.1
K7
WHIP1.50

Away

Opp AVG.300
IP5.1
K3
WHIP1.69

vs LHP

Opp AVG.304
IP5.1
K7
WHIP1.50

vs RHP

Opp AVG.310
IP7.1
K3
WHIP1.64

RISP

Opp AVG.421
IP4.0
K3
WHIP2.75

YEAR BY YEAR

Year-by-year · Career trends

ERALower is better

▲ Trending down year over year
ERA by yearFrom 1.54 in 2021 to 5.68 in 2026. Lower is better for this stat.2021 ERA: 1.541.5420212022 ERA: 6.3220222023 ERA: 7.077.0720232025 ERA: 0.000.0020252026 ERA: 5.685.682026
Show yearly figures
ERA year-by-year details
YearERA
20211.54
20226.32
20237.07
20250.00
20265.68

WHIPLower is better

▼ Trending up year over year
WHIP by yearFrom 1.20 in 2021 to 1.58 in 2026. Lower is better for this stat.2021 WHIP: 1.201.2020212022 WHIP: 1.6720222023 WHIP: 1.931.9320232025 WHIP: 1.8020252026 WHIP: 1.581.582026
Show yearly figures
WHIP year-by-year details
YearWHIP
20211.20
20221.67
20231.93
20251.80
20261.58

Strikeouts

▲ Trending up year over year
Strikeouts by yearFrom 11 in 2021 to 10 in 2026.2021 Strikeouts: 111120212022 Strikeouts: 474720222023 Strikeouts: 1320232025 Strikeouts: 2220252026 Strikeouts: 10102026
Show yearly figures
Strikeouts year-by-year details
YearStrikeouts
202111
202247
202313
20252
202610
YearTeamGamesERAWinsLossesSavesInningsStrikeoutsWalksWHIP
2021CIN21.5420011.21121.20
2022CIN456.3244057.047291.67
2023CIN147.0710014.013101.93
2025CIN10.000001.2211.80
2026SF125.6810012.21041.58