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Reiver Sanmartin
RP · 
San Francisco Giants · #48
Bats/ThrowsL/L
Height6' 1"
Weight188 lbs
BirthplaceCartagena, Colombia
MLB Debut2021
🪪Bio
Bats/ThrowsL/L
Height6' 1"
Weight188 lbs
BirthplaceCartagena, Colombia
MLB Debut2021
📊Season Stats (2026)
ERA4.41
W-L2-0
IP16.1
K14
WHIP1.22
SV0
Full Stat Line
G16
GS0
QS0
HLD2
H16
ER8
HR3
BB4
K/97.71
WAR-0.09
🤚Career Splits by Handedness
vs Left-Handed Batters
AVG.241
OBP.267
SLG.310
OPS.577
vs Right-Handed Batters
AVG.257
OBP.297
SLG.600
OPS.897
Career totals from real plate-appearance data — lower OPS allowed is better for a pitcher.
⚔️This Season vs. Each Opponent
🏟️This Season at Each Ballpark
| Ballpark | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Total | 4.41 | 16.1 | 14 | 4 | .250 |
| AT&T Park | 6.75 | 9.1 | 9 | 1 | .256 |
| Fenway Park | 0.00 | 2.0 | 0 | 1 | .167 |
| Progressive Field | 0.00 | 2.0 | 2 | 1 | .250 |
📅By Month & Recent Form
| Split | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Last 7 Days | 0.00 | 3.2 | 4 | 0 | .000 |
| Last 15 Days | 0.00 | 8.2 | 6 | 2 | .103 |
| Last 30 Days | 3.46 | 13.0 | 10 | 3 | .240 |
| June | 8.10 | 3.1 | 4 | 1 | .286 |
| August | 3.46 | 13.0 | 10 | 3 | .240 |
🎯Pitch Arsenal (2026)
| Type | Pitches | Usage% | Zone% | Chase% | Whiff% | BA | wOBA | xwOBA |
|---|---|---|---|---|---|---|---|---|
| Sinker | 88 | 35.5% | 60.2% | 26.8% | 19.5% | .227 | .344 | .365 |
| Slider | 71 | 28.6% | 38.0% | 46.4% | 35.7% | .235 | .318 | .213 |
| Changeup | 67 | 27.0% | 31.3% | 54.0% | 18.9% | .211 | .250 | .249 |
| 4-Seam Fastball | 22 | 8.9% | 40.9% | 33.3% | 16.7% | .500 | .633 | .485 |
🌀Pitch Movement (2026)
| Type | # | Velo | Spin | IVB | H-Break | Ext |
|---|---|---|---|---|---|---|
| Sinker | 67 | 91.8 | 2,296 | +1.8" | -1.5" | 6.4 |
| Slider | 54 | 82.5 | 2,500 | +0.2" | +0.6" | 6.5 |
| Changeup | 51 | 86.5 | 2,201 | -1.0" | -1.5" | 6.5 |
| 4-Seam Fastball | 15 | 92.2 | 2,302 | +11.2" | -1.1" | 6.4 |
IVB = induced vertical break (gravity removed) · H-Break = horizontal movement · Ext = release extension in feet.
📋Recent Game Log
| Date | Opp | Score | IP | H | ER | BB | K | ERA | PC | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| W | Monday, August 31, 2026 |
ATL
|
7-3 | 1.2 | 0 | 0 | 0 | 2 | 4.41 | 16 | — |
| W | Saturday, August 29, 2026 |
ARI
|
2-7 | 0.1 | 0 | 0 | 0 | 1 | 4.91 | 5 | W |
| L | Friday, August 28, 2026 |
ARI
|
10-6 | 1.0 | 0 | 0 | 0 | 1 | 5.02 | 15 | — |
| L | Wednesday, August 26, 2026 |
CIN
|
10-9 | 0.2 | 0 | 0 | 0 | 0 | 5.40 | 6 | — |
| W | Monday, August 24, 2026 |
CIN
|
0-5 | 1.0 | 0 | 0 | 0 | 0 | 5.68 | 10 | — |
| L | Friday, August 21, 2026 |
BOS
|
4-6 | 2.0 | 1 | 0 | 1 | 0 | 6.17 | 30 | — |
| L | Tuesday, August 18, 2026 |
CLE
|
1-8 | 2.0 | 2 | 0 | 1 | 2 | 7.45 | 34 | — |
| L | Sunday, August 16, 2026 |
COL
|
13-7 | 0.2 | 2 | 1 | 0 | 0 | 9.39 | 10 | — |
| L | Friday, August 14, 2026 |
COL
|
5-2 | 0.1 | 0 | 0 | 0 | 1 | 9.00 | 5 | — |
| L | Wednesday, August 12, 2026 |
HOU
|
2-1 | 1.0 | 0 | 0 | 0 | 2 | 9.45 | 15 | — |
👥Team — San Francisco Giants
| Player | Pos | Key Stat |
|---|---|---|
| Rafael Devers | 1B | .252 AVG |
| Osleivis Basabe | 2B | .207 AVG |
| Nate Furman | 2B | .158 AVG |
| Buddy Kennedy | 3B | 36.00 ERA |
| Christian Koss | 3B | 13.50 ERA |
| Shay Whitcomb | 3B | .100 AVG |
| Drew Cavanaugh | C | .225 AVG |
| Eric Haase | C | .162 AVG |
| Andrew Knizner | C | .222 AVG |
| Zachary Morgan | C | — |
| Jesus Rodriguez | C | .235 AVG |
| Daniel Susac | C | .243 AVG |
| Harrison Bader | Center Fielder | .170 AVG |
| Jonah Cox | CF | .286 AVG |
| Drew Gilbert | CF | .236 AVG |
| Grant McCray | CF | .118 AVG |
| Bryce Eldridge | DH | .263 AVG |
| Victor Bericoto | LF | .244 AVG |
| Turner Hill | LF | .273 AVG |
| Casey Schmitt | LF | .271 AVG |
| Yunior Marte | P | — |
| Cesar Perdomo | Pitcher | — |
| Ryan Borucki | Relief Pitcher | 4.94 ERA |
| Matt Gage | Relief Pitcher | 5.60 ERA |
| Jung Hoo Lee | RF | .288 AVG |
| Jerar Encarnacion | Right Fielder | .176 AVG |
| Jared Oliva | Right Fielder | .143 AVG |
| Tristan Beck | RP | 7.07 ERA |
| Spencer Bivens | RP | 14.40 ERA |
| JT Brubaker | RP | 3.58 ERA |
| Jason Foley | RP | 4.11 ERA |
| Trent Harris | RP | 4.09 ERA |
| Sam Hentges | RP | 3.27 ERA |
| Seth Lonsway | RP | 9.00 ERA |
| Anthony Molina | RP | 3.77 ERA |
| Braxton Roxby | RP | 0.00 ERA |
| Carson Seymour | RP | 4.58 ERA |
| Dylan Smith | RP | 3.23 ERA |
| Blade Tidwell | RP | 4.54 ERA |
| Ryan Walker | RP | 6.97 ERA |
| Keaton Winn | RP | 3.35 ERA |
| Adrian Houser | SP | 4.02 ERA |
| Yunior Marte | SP | 1.93 ERA |
| Trevor McDonald | SP | 5.12 ERA |
| Landen Roupp | SP | 4.25 ERA |
| Logan Webb | SP | 3.72 ERA |
| Carson Whisenhunt | SP | 6.49 ERA |
| Matt Wilkinson | SP | 4.63 ERA |
| Willy Adames | SS | .230 AVG |
| Eddys Leonard | SS | .250 AVG |
| Matt Chapman | Third Baseman | .235 AVG |
See the Full Analysis
Key Suspects, player props, DFS rankings, and matchup intelligence for Reiver Sanmartin and every MLB game — available in the BlowOutAlert workspace.