Reiver Sanmartin
RP · L/L · age 30.4 · SFSUPER TWO?OCTOBER OK
ACTIVE
1+148
2+102 / 2+115
1 (using one in 2026)
3 of 5
PRE-ARBITRATION / AUTO-RENEWAL
Waivers (CIN) Nov'25
0 / 0
none listed
Next 90 days, by the model
48%
39%
11%
1%
1%
Pushing the cut risk up: this season's WAR (-0.04) raises it, age (30.41) raises it, last season's WAR (0.02) raises it.
Context the model does not weigh: ZiPS projects 0.1 WAR, -0.0 WAR this season; 20 RP on the 40-man, of whom JT Brubaker is headed to free agency.
Trained on every 40-man roster snapshot since 2011 and what happened in the following 90 days; it sees roster status, options, service, history and last season's line, not this season's performance or the club's intentions. How well it does.
Is there a job for him next year?
SF returns 19 RP on the 40-man once 1 free agent leaves; about 9 RP jobs survive a normal winter. By his own recent record he ranks 14th among the returners (-0.1 WAR against a bar of 0.1), which the calibrated model turns into 53% kept through the tender deadline. Ranked by ZiPS and Steamer instead, which credit his longer track record, he is 14th (0.1 WAR, bar 0.2), worth 57% kept on the same model.
| By recent record: returning RP | Proj. WAR |
|---|---|
| 1. Randy Rodriguez | 1.8 |
| 2. Trent Harris | 1.2 |
| 3. Dylan Smith | 1.0 |
| 4. Sam Hentges | 0.9 |
| 5. Jose Butto | 0.6 |
| 6. Ryan Walker | 0.5 |
| 7. Keaton Winn | 0.5 |
| 8. Jason Foley | 0.3 |
| 9. Braxton Roxbylast job | 0.1 |
| 10. Yunior Marte (kc) | 0.1 |
| 11. Matt Wilkinson | 0.1 |
| 12. Joe Peguero | 0.1 |
| By ZiPS / Steamer: returning RP | Proj. WAR |
|---|---|
| 1. Ryan Walker | 0.7 |
| 2. Keaton Winn | 0.6 |
| 3. Sam Hentges | 0.4 |
| 4. Carson Seymour | 0.4 |
| 5. Jason Foley | 0.4 |
| 6. Matt Gage | 0.3 |
| 7. Tristan Beck | 0.2 |
| 8. Joel Kuhnel | 0.2 |
| 9. Dylan Smithlast job | 0.2 |
| 10. Randy Rodriguez | 0.2 |
| 11. Jose Butto | 0.1 |
| 12. Trent Harris | 0.1 |
Departing free agents are excluded; players on club, mutual or player options are counted as returning. The kept probability is calibrated on every September since 2012 using the recent-record projection; the ZiPS/Steamer reading uses the same model with a different ranking, so treat it as a second opinion rather than a calibrated number. Salary enters once arbitration projections publish in October.
October: Post-season eligible
On the 40-man before noon ET Sep 1. He stays eligible as long as he remains on the 40-man or 60-day IL through the post-season; an outright after the cutoff would end automatic eligibility.
The post-season eligibility list is fixed at noon ET on September 1: everyone on the 40-man, the 60-day IL or the military list at that moment, who then stays there without interruption. Attachment 25 (Major League Rule 40)
What happens if the club…
- option him to the minors
- Yes, 1 option year left. 3 of the five optional assignments for 2026 remain. A 2026 option year is already used (48 days), so further trips this season cost nothing extra. Once down he must stay 15 days unless he replaces an injured or traded player.
- Option years and the 20-day rule · Five optional assignments per season · Minimum stay on option
- designate him for assignment (or put him on outright waivers)
- The club has 7 days to trade him, pass him through outright waivers, or release him; he is paid at the major-league rate and keeps accruing service in the meantime. On outright waivers any club can claim him for $50,000, worst record first, and the claiming club takes his contract. If he clears, the club can outright him to the minors and he has no say; he stays under club control on a minor-league deal. He would then be Rule 5-eligible and would hold XX-D rights against any future outright. Post-season: an outright after the September 1 cutoff ends his automatic eligibility. He could only return as an approved injury replacement, and only if he accepts the outright and stays on a minor-league reserve list in the organization without interruption; a release makes him ineligible for anyone this October.
- Designated for assignment: 7 days · Outright waivers · Article XX-D: the right to walk
- release him
- Release waivers cost a claiming club $1 but the claimant assumes the whole contract, so expensive players clear. The club owes the full unpaid balance of this season's salary, offset by whatever another club pays him this year. A released player is not post-season eligible for any club this year.
- Release waivers and termination pay · Which rate a split contract pays at release
- trade himBLOCKED
- Not now: players on major-league contracts cannot be traded after the Aug 3 deadline until the day after the World Series.
- Trade deadline · 10-and-5 rights · June 15 no-trade for free-agent signees
- renew him for next year
- Pre-arbitration: the club sets his 2027 salary near the minimum ($780,000 floor likely higher after a Super Two ruling) and he has no leverage beyond a non-tender.
- Minimum salaries · Tender deadline
What the rules say about him
- Option years and the 20-day rule1 option year left entering 2026; 48 option days this season uses one (0 after 2026).A season with fewer than 20 days on optional assignment does not count as an option year, and those days count as Major League service. 2022-2026 Basic Agreement, Article XIX(E) and XXI(B), p. 98 (the number itself is in Major League Rule 7(c))
- Five optional assignments per seasonOptioned 2 times this season that count toward the cap of 5: 3 left.A player can be optioned at most five times in a season; a sixth trip requires outright waivers. 2022-2026 Basic Agreement, Article XIX(E), p. 98 (the number itself is in Major League Rule 7(c))
- Super TwoProjects to 2+115: within 30 days of last year's cutoff; Super Two status depends on this fall's line.A player with two but fewer than three years of service is arbitration-eligible if he had 86+ days last season and ranks in the top 22% of that group by total service; ties at the line all qualify. 2022-2026 Basic Agreement, Article VI(E)(1)(b), p. 17
- Post-season roster eligibilityOn the 40-man before noon ET Sep 1. He stays eligible as long as he remains on the 40-man or 60-day IL through the post-season; an outright after the cutoff would end automatic eligibility.The post-season eligibility list is fixed at noon ET on September 1: everyone on the 40-man, the 60-day IL or the military list at that moment, who then stays there without interruption. 2022-2026 Basic Agreement, Attachment 25, p. 253 (the number itself is in Major League Rule 40)
- Rule 5 clockOn a 40-man roster (would first be exposed after 2018 otherwise).
Option years, season by season
| Season | Days on option | Option year used | Stints |
|---|---|---|---|
| 2026 | 48 | yes | Jun 17, 2026 to Aug 3, 2026 (47d)Aug 19, 2026 to Aug 20, 2026 (1d) |
| 2025 | 26 | yes | Sep 3, 2025 to Sep 29, 2025 (26d) |
| 2022 | 42 | yes | May 2, 2022 to Jun 13, 2022 (42d) |
Transaction log
| Aug 20, 2026 | Recalled | San Francisco Giants recalled LHP Reiver Sanmartin from Sacramento River Cats. |
| Aug 19, 2026 | Optioned | San Francisco Giants optioned LHP Reiver Sanmartin to Sacramento River Cats. |
| Aug 3, 2026 | Recalled | San Francisco Giants recalled LHP Reiver Sanmartin from Sacramento River Cats. |
| Jun 17, 2026 | Optioned | San Francisco Giants optioned LHP Reiver Sanmartin to Sacramento River Cats. |
| Jun 10, 2026 | Status change | San Francisco Giants activated LHP Reiver Sanmartin from the 60-day injured list. |
| Mar 25, 2026 | Status change | San Francisco Giants placed LHP Reiver Sanmartin on the 60-day injured list. Right hip flexor strain. |
| Nov 6, 2025 | Claimed off waivers | San Francisco Giants claimed LHP Reiver Sanmartin off waivers from Cincinnati Reds. |
| Oct 2, 2025 | Status change | Cincinnati Reds activated LHP Reiver Sanmartin. |
| Sep 29, 2025 | Recalled | Cincinnati Reds recalled LHP Reiver Sanmartin from Louisville Bats. |
| Sep 3, 2025 | Optioned | Cincinnati Reds optioned LHP Reiver Sanmartin to Louisville Bats. |
| Sep 2, 2025 | Contract selected | Cincinnati Reds selected the contract of LHP Reiver Sanmartin from Louisville Bats. |
| Nov 19, 2023 | Signed as free agent | Cincinnati Reds signed free agent LHP Reiver Sanmartin to a minor league contract. |
| Nov 17, 2023 | Declared free agent | LHP Reiver Sanmartin elected free agency. |
| Nov 6, 2023 | Status change | Cincinnati Reds activated LHP Reiver Sanmartin from the 60-day injured list. |
| May 14, 2023 | Status change | Cincinnati Reds transferred LHP Reiver Sanmartin from the 15-day injured list to the 60-day injured list. |
| May 9, 2023 | Status change | Cincinnati Reds placed LHP Reiver Sanmartin on the 15-day injured list retroactive to May 8, 2023. Left elbow stress reaction. |
| Jun 13, 2022 | Recalled | Cincinnati Reds recalled LHP Reiver Sanmartin, and from Louisville Bats. |
| May 2, 2022 | Optioned | Cincinnati Reds optioned LHP Reiver Sanmartin to Louisville Bats. |
| Sep 27, 2021 | Contract selected | Cincinnati Reds selected the contract of LHP Reiver Sanmartin, and from Louisville Bats. |
| Jan 21, 2019 | Traded | New York Yankees traded RHP Sonny Gray and LHP Reiver Sanmartin to Cincinnati Reds for 2B Shed Long Jr. and Future Considerations. |
| Nov 20, 2017 | Traded | New York Yankees traded RHP Ronald Herrera to Texas Rangers for LHP Reiver Sanmartin. |
| Jul 2, 2015 | Signed as free agent | Texas Rangers signed free agent LHP Reiver Sanmartin to a minor league contract. |
Service through 2025 per FanGraphs RosterResource; options and this-season service reconstructed from the MLB transaction log (reconstruction; FanGraphs shows 1). Rule 5 exposure deadline Nov 17, 2026.