San Francisco Giants · Pitcher · #48
Reiver Sanmartin
Age 306' 1" · 188lbBats L · Throws LDebut 2021From Cartagena
ERA
4.22
W-L
3-0
K
16
WHIP
1.36
WAR
-0.1
FIP
4.41
League Percentile
2026 season · percentile vs 46 qualified pitchersERA
20
4.22WHIP
10
1.36Strikeouts
0
16K/9
11
6.75Wins
0
3Bottom of leagueAverage (50)Top of league
⚠ Below the qualified innings threshold. Percentiles are for reference only.
the entire league · by ERA
Top 80%
Reiver Sanmartin's ERA (4.22) ranks below average among 46 qualified pitchers. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.
PITCHING
Season · Career| Category | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 Season | 24 | 4.22 | 3 | 0 | 0 | 21.1 | 16 | 7 | 1.36 |
| Career | 86 | 5.37 | 10 | 4 | 0 | 105.2 | 89 | 49 | 1.59 |
Hover over a stat for its definition.
ARSENAL
Pitch arsenal · 2026 usage and average velocitySinker37.1%avg 148 km/h
Changeup27.8%avg 139 km/h
Slider27.0%avg 133 km/h
Four-Seam8.1%avg 148 km/h
ADVANCED
Advanced metrics · 2026 seasonBABIP
.288
K/9
6.75
BB/9
2.95
HR/9
1.27
Quality starts
0
Whiff%
22.4%
GAME LOG
Last 10 games · includes team result| Date | Opp | Innings | Hits | ER | Walks | Strikeouts | Team |
|---|---|---|---|---|---|---|---|
| 09.16 | @ STL | 0.1 | 0 | 0 | 0 | 0 | W |
| 09.14 | @ STL | 0.0 | 2 | 0 | 1 | 0 | L |
| 09.12 | vs SD | 0.1 | 0 | 0 | 0 | 0 | L |
| 09.08 | vs STL | 1.0 | 1 | 0 | 0 | 0 | W |
| 09.07 | vs STL | 0.1 | 0 | 0 | 0 | 1 | W |
| 09.05 | @ NYM | 1.1 | 1 | 1 | 0 | 1 | W |
| 09.03 | @ PIT | 1.0 | 1 | 1 | 1 | 0 | L |
| 09.02 | @ PIT | 0.2 | 1 | 0 | 1 | 0 | W |
| 08.31 | @ ATL | 1.2 | 0 | 0 | 0 | 2 | W |
| 08.29 | vs AZ | 0.1 | 0 | 0 | 0 | 1 | W |
SPLITS
Situational splits (2026)Home
Opp AVG.244
IP11.0
K10
WHIP1.09
Away
Opp AVG.275
IP10.1
K6
WHIP1.65
vs LHP
Opp AVG.256
IP9.2
K12
WHIP1.34
vs RHP
Opp AVG.261
IP11.2
K4
WHIP1.37
RISP
Opp AVG.333
IP7.2
K4
WHIP2.09
YEAR BY YEAR
Year-by-year · Career trendsERALower is better
▲ Trending down year over yearShow yearly figures
| Year | ERA |
|---|---|
| 2021 | 1.54 |
| 2022 | 6.32 |
| 2023 | 7.07 |
| 2025 | 0.00 |
| 2026 | 4.22 |
WHIPLower is better
▼ Trending up year over yearShow yearly figures
| Year | WHIP |
|---|---|
| 2021 | 1.20 |
| 2022 | 1.67 |
| 2023 | 1.93 |
| 2025 | 1.80 |
| 2026 | 1.36 |
Strikeouts
▲ Trending up year over yearShow yearly figures
| Year | Strikeouts |
|---|---|
| 2021 | 11 |
| 2022 | 47 |
| 2023 | 13 |
| 2025 | 2 |
| 2026 | 16 |
| Year | Team | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | CIN | 2 | 1.54 | 2 | 0 | 0 | 11.2 | 11 | 2 | 1.20 |
| 2022 | CIN | 45 | 6.32 | 4 | 4 | 0 | 57.0 | 47 | 29 | 1.67 |
| 2023 | CIN | 14 | 7.07 | 1 | 0 | 0 | 14.0 | 13 | 10 | 1.93 |
| 2025 | CIN | 1 | 0.00 | 0 | 0 | 0 | 1.2 | 2 | 1 | 1.80 |
| 2026 | SF | 24 | 4.22 | 3 | 0 | 0 | 21.1 | 16 | 7 | 1.36 |
