Adrian Houser
SP · R/R · age 33.6 · SFXIX-A60-DAY ILOCTOBER: REINSTATE
60-DAY IL (Strained forearm)
6+095
7+095 / 7+095
0
n/a of 5
SIGNED THRU 2027 + 2028 CLUB OPTION
Free Agent (TBR) Dec'25
0 / 1
2 yr, $22M (2026-27), 2028 club option
Next 90 days, by the model
96%
3%
<1%
1%
<1%
Pushing the cut risk around: age (33.61) raises it, prior DFAs (1) raises it, last season's WAR (2.22) lowers it.
Context the model does not weigh: ZiPS projects 1.2 WAR, 0.4 WAR this season; 12 SP on the 40-man.
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 12 SP on the 40-man once nobody leaves; about 8 SP jobs survive a normal winter. By his own recent record he ranks 4th among the returners (1.0 WAR against a bar of 0.0), which the calibrated model turns into 94% kept through the tender deadline. Ranked by ZiPS and Steamer instead, which credit his longer track record, he is 3rd (1.1 WAR, bar 0.5), worth 95% kept on the same model.
| By recent record: returning SP | Proj. WAR |
|---|---|
| 1. Logan Webb | 2.8 |
| 2. Landen Roupp | 1.7 |
| 3. Trevor McDonald | 1.1 |
| 4. Adrian Houser | 1.0 |
| 5. Cesar Perdomo | 0.3 |
| 6. Blade Tidwell | 0.2 |
| 7. Seth Lonsway | 0.1 |
| 8. Hayden Birdsonglast job | 0.0 |
| 9. Miguel Mendez | 0.0 |
| 10. Anthony Molina | -0.0 |
| 11. Duncan Davitt | -0.2 |
| 12. Carson Whisenhunt | -0.4 |
| By ZiPS / Steamer: returning SP | Proj. WAR |
|---|---|
| 1. Logan Webb | 4.6 |
| 2. Landen Roupp | 1.2 |
| 3. Adrian Houser | 1.1 |
| 4. Carson Whisenhunt | 0.8 |
| 5. Blade Tidwell | 0.7 |
| 6. Duncan Davitt | 0.6 |
| 7. Trevor McDonald | 0.6 |
| 8. Hayden Birdsonglast job | 0.5 |
| 9. Anthony Molina | 0.2 |
| 10. Cesar Perdomo | 0.0 |
| 11. Seth Lonsway | -0.0 |
| 12. Miguel Mendez | -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: Eligible once reinstated
On the 60-day IL before the cutoff, so he is on the eligibility list. He has served 19 of the 60 required days (eligible to be activated from Oct 25), then must be reinstated to the 40-man and 26-man.
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 minorsBLOCKED
- Not without his consent: with five years of service he can refuse the assignment or elect free agency instead. The club's only unilateral moves are to keep him, trade him, or release him.
- Article XIX-A: five years, no forced assignment
- 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 (2 yr, $22M (2026-27), 2028 club option). If he clears, he cannot be outrighted without his consent: he can refuse and force a release with his contract intact, or elect free agency (forfeiting termination pay). 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. Because he is on the injured list he cannot be outrighted until he is healthy and reinstated, so a DFA now would have to end in a trade or a release. With real money left on the contract a claim is unlikely; the usual outcome is clearing waivers, then release, with the club paying the balance less what a new club pays him.
- Designated for assignment: 7 days · Outright waivers · Article XIX-A: five years, no forced outright
- 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. The guaranteed years remain owed in full. 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
- Let the season end
- Under contract (2 yr, $22M (2026-27), 2028 club option): nothing to decide this winter. Moving him later means trading the contract or releasing him and paying the guaranteed years in full.
- Release waivers and termination pay
What the rules say about him
- Article XIX-A: five years, no forced assignment6+095 of MLB service through 2025: can refuse an optional assignment and cannot be outrighted without consent.A player with five or more years of Major League service cannot be assigned anywhere but another Major League club without his written consent. 2022-2026 Basic Agreement, Article XIX(A)(2), p. 94
- Article XIX-A: five years, no forced outright5+ years of service: an outright assignment requires his consent; otherwise the club must keep, trade or release him.A player with five or more years of service can refuse an outright assignment altogether; the club must then keep him, trade him, or release him. 2022-2026 Basic Agreement, Article XIX(A)(2), p. 94
- Article XX-B free agency6+ years of service but under contract through 2028.Six or more years of service with an expiring contract: free agent at 9 AM ET the day after the last World Series game. 2022-2026 Basic Agreement, Article XX(B)(1)-(2), p. 102
- 60-day IL and the November crunchOn the 60-day IL: not counting against the 40-man now, but must be reinstated by Nov 5 (5th day after the World Series).A player on the 60-day IL is off the 40-man, but every 60-day IL player must be reinstated after the World Series, healthy or not. 2022-2026 Basic Agreement, Article XIII(C), p. 56 (the number itself is in Major League Rule 2)
- Injured players cannot be sent downOn the Major League injured list: cannot be optioned or outrighted until he is healthy and reinstated, so an injured fringe player keeps his roster spot by default.No assignment to a minor-league club while a player is on a Major League injured list, and an injured player who cannot play cannot be optioned or outrighted. 2022-2026 Basic Agreement, Article XIX(C)(1)-(2), p. 96
- Post-season roster eligibilityOn the 60-day IL before the cutoff, so he is on the eligibility list. He has served 19 of the 60 required days (eligible to be activated from Oct 25), then must be reinstated to the 40-man and 26-man.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 2015 otherwise).
Option years, season by season
| Season | Days on option | Option year used | Stints |
|---|---|---|---|
| 2019 | 43 | yes | Mar 18, 2019 to Apr 22, 2019 (33d, spring training)Apr 23, 2019 to May 3, 2019 (10d) |
| 2018 | 121 | yes | Mar 14, 2018 to Apr 6, 2018 (8d, spring training)Apr 9, 2018 to May 25, 2018 (46d)May 27, 2018 to Jun 17, 2018 (21d)Jun 28, 2018 to Jul 12, 2018 (14d)Jul 13, 2018 to Aug 10, 2018 (28d)Sep 28, 2018 to Oct 2, 2018 (4d) |
| 2017 | 183 | yes | Mar 8, 2017 to Oct 2, 2017 (183d, spring training) |
| 2016 | 183 | yes | Mar 14, 2016 to Oct 3, 2016 (183d, spring training) |
Transaction log
| Sep 1, 2026 | Status change | San Francisco Giants transferred RHP Adrian Houser from the 15-day injured list to the 60-day injured list. Right forearm strain. |
| Aug 26, 2026 | Status change | San Francisco Giants placed RHP Adrian Houser on the 15-day injured list. Right forearm strain. |
| Dec 19, 2025 | Signed as free agent | San Francisco Giants signed free agent RHP Adrian Houser. |
| Nov 2, 2025 | Declared free agent | RHP Adrian Houser elected free agency. |
| Aug 2, 2025 | Status change | Tampa Bay Rays activated RHP Adrian Houser. |
| Jul 31, 2025 | Traded | Chicago White Sox traded RHP Adrian Houser to Tampa Bay Rays for 1B Curtis Mead, RHP Duncan Davitt and RHP Ben Peoples. |
| Jun 22, 2025 | Status change | Chicago White Sox activated RHP Adrian Houser from the paternity list. |
| Jun 19, 2025 | Status change | Chicago White Sox placed RHP Adrian Houser on the paternity list. |
| May 20, 2025 | Signed as free agent | Chicago White Sox signed free agent RHP Adrian Houser. |
| Dec 3, 2024 | Signed as free agent | Texas Rangers signed free agent RHP Adrian Houser to a minor league contract. |
| Aug 31, 2024 | Signed as free agent | Baltimore Orioles signed free agent RHP Adrian Houser to a minor league contract. |
| Aug 6, 2024 | Signed as free agent | Chicago Cubs signed free agent RHP Adrian Houser to a minor league contract. |
| Jul 31, 2024 | Released | New York Mets released RHP Adrian Houser. |
| Jul 26, 2024 | Designated for assignment | New York Mets designated RHP Adrian Houser for assignment. |
| Dec 20, 2023 | Traded | Milwaukee Brewers traded RHP Adrian Houser and CF Tyrone Taylor to New York Mets for RHP Coleman Crow. |
| Oct 5, 2023 | Status change | Milwaukee Brewers activated RHP Adrian Houser. |
| Sep 14, 2023 | Status change | Milwaukee Brewers activated RHP Adrian Houser from the 15-day injured list. |
| Aug 28, 2023 | Status change | Milwaukee Brewers placed RHP Adrian Houser on the 15-day injured list. Right elbow effusion. |
| May 7, 2023 | Status change | Milwaukee Brewers activated RHP Adrian Houser from the 15-day injured list. |
| Mar 29, 2023 | Status change | Milwaukee Brewers placed RHP Adrian Houser on the 15-day injured list retroactive to March 27, 2023. Right groin tightness. |
| Oct 6, 2022 | Status change | Milwaukee Brewers activated RHP Adrian Houser from the 15-day injured list. |
| Sep 28, 2022 | Status change | Milwaukee Brewers placed RHP Adrian Houser on the 15-day injured list. Right groin strain. |
| Aug 24, 2022 | Status change | Milwaukee Brewers activated RHP Adrian Houser from the 15-day injured list. |
| Jul 1, 2022 | Status change | Milwaukee Brewers placed RHP Adrian Houser on the 15-day injured list. Right flexor strain. |
| Aug 22, 2021 | Status change | Milwaukee Brewers activated RHP Adrian Houser from the 10-day injured list. |
| Aug 7, 2021 | Status change | Milwaukee Brewers placed RHP Adrian Houser on the 10-day injured list. |
| Oct 2, 2019 | Status change | Milwaukee Brewers activated RHP Adrian Houser. |
| Oct 2, 2019 | Status change | Milwaukee Brewers activated P Adrian Houser. |
| May 3, 2019 | Recalled | Milwaukee Brewers recalled RHP Adrian Houser from San Antonio Missions. |
| Apr 23, 2019 | Optioned | Milwaukee Brewers optioned RHP Adrian Houser to San Antonio Missions. |
| Apr 22, 2019 | Recalled | Milwaukee Brewers recalled Adrian Houser from San Antonio Missions. |
| Mar 18, 2019 | Optioned | Milwaukee Brewers optioned RHP Adrian Houser to San Antonio Missions. |
| Oct 2, 2018 | Recalled | Milwaukee Brewers recalled RHP Adrian Houser from San Antonio Missions. |
| Aug 11, 2018 | Optioned | Milwaukee Brewers optioned Adrian Houser to Colorado Springs Sky Sox. |
| Aug 10, 2018 | Recalled | Milwaukee Brewers recalled Adrian Houser from Colorado Springs Sky Sox. |
| Jul 13, 2018 | Optioned | Milwaukee Brewers optioned RHP Adrian Houser to Colorado Springs Sky Sox. |
| Jul 12, 2018 | Recalled | Milwaukee Brewers recalled Adrian Houser from Colorado Springs Sky Sox. |
| Jun 28, 2018 | Optioned | Milwaukee Brewers optioned RHP Adrian Houser to Colorado Springs Sky Sox. |
| Jun 17, 2018 | Recalled | Milwaukee Brewers recalled Adrian Houser from Colorado Springs Sky Sox. |
| May 27, 2018 | Optioned | Milwaukee Brewers optioned RHP Adrian Houser to Colorado Springs Sky Sox. |
Service through 2025 per FanGraphs RosterResource; options and this-season service reconstructed from the MLB transaction log (reconstruction; FanGraphs shows n/a). Rule 5 exposure deadline Nov 17, 2026.