San Francisco Giants#48 · RP
Reiver Sanmartin
Age 30
Contract Value $594,642/yr
Size 6' 1" · 188
Throws LHP
Bats Left
From Cartagena, Colombia
3–0
W-L
4.22
ERA
1.36
WHIP
16
K
21.1
IP
0
GS
P-Score
P-Score not yet available
Stats updated Oct 4, 4:02 AM ETLast game Apr 26 vs SD
Season overview
How good is he?
StatPlayerMLB AvgPercentile
Run Prevention4750BELOW AVG
Skill5550AVERAGE
Workload2350POOR
Consistency5050AVERAGE
Form5050AVERAGE
Contact Management4350BELOW AVG
Game log
Pitch arsenal (2026)
Usage %Velocity
- Sinker36.6%91.7 mph
- Slider27.6%82.5 mph
- Changeup27.3%86.5 mph
- Four-seam FB8.4%92.2 mph
Hot / cold zones (vs RHB)
-.500.500.400.000.545.100.364.000
- Better than MLB avg
- Similar to MLB avg
- Worse than MLB avg
Splits
vs handedness
vs LHH
.624
vs RHH
.803
.179 OPS better vs LHH
Career
Frequently asked
What is Reiver Sanmartin's ERA in 2026?+
4.22 across 0 starts and 21.1 innings, with a 1.36 WHIP and a 4.31 FIP.
When is his next start?+
No probable start has been announced.
What pitches does he throw?+
He throws sinker (36.6% at 91.7 mph mph), slider (27.6% at 82.5 mph mph), changeup (27.3% at 86.5 mph mph), four-seam fb (8.4% at 92.2 mph mph).
What is his P-Score?+
P-Score is not yet available for this pitcher.
How has he pitched in his last five starts?+
Fewer than three starts are available, so a last-five comparison is not shown.