Janson Junk
SP · R/R · age 30.7 · MIAOUT OF OPTIONSXX-DOCTOBER OK
ACTIVE
1+045
2+045 / 2+045
0
n/a of 5
PRE-ARBITRATION / AUTO-RENEWAL
Free Agent (OAK) Feb'25
1 / 3
1 yr, $798k (2026)
Next 90 days, by the model
95%
<1%
1%
4%
<1%
Pushing the cut risk around: this season's WAR (1.67) lowers it, last season's WAR (2.52) lowers it, age (30.66) raises it.
Context the model does not weigh: ZiPS projects 1.6 WAR, 1.7 WAR this season; 10 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?
MIA returns 10 SP on the 40-man once nobody leaves; about 8 SP jobs survive a normal winter. By his own recent record he ranks 1st among the returners (2.0 WAR against a bar of -0.0), which the calibrated model turns into 100% kept through the tender deadline. Ranked by ZiPS and Steamer instead, which credit his longer track record, he is 5th (1.1 WAR, bar 0.4), worth 99% kept on the same model.
| By recent record: returning SP | Proj. WAR |
|---|---|
| 1. Janson Junk | 2.0 |
| 2. Eury Perez | 1.9 |
| 3. Max Meyer | 1.7 |
| 4. Sandy Alcantara | 1.7 |
| 5. Ryan Gusto | 1.1 |
| 6. Tyler Phillips | 0.3 |
| 7. Patrick Monteverde | -0.0 |
| 8. Adam Mazurlast job | -0.0 |
| 9. Robby Snelling | -0.3 |
| 10. Bradley Blalock | -1.0 |
| By ZiPS / Steamer: returning SP | Proj. WAR |
|---|---|
| 1. Sandy Alcantara | 2.5 |
| 2. Eury Perez | 2.2 |
| 3. Robby Snelling | 1.5 |
| 4. Max Meyer | 1.4 |
| 5. Janson Junk | 1.1 |
| 6. Ryan Gusto | 0.6 |
| 7. Adam Mazur | 0.6 |
| 8. Patrick Monteverdelast job | 0.4 |
| 9. Tyler Phillips | 0.3 |
| 10. Bradley Blalock | -0.0 |
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 minorsBLOCKED
- Out of options: the only route to the minors is outright waivers, where any club can claim him for $50,000.
- Out of options
- 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 (1 yr, $798k (2026)). He was outrighted before (1x) give him the Article XX-D choice: elect free agency immediately (giving up the rest of his salary) or accept the assignment, keep getting paid, and elect free agency after the season unless he is added back to a 40-man first. 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) and he has no leverage beyond a non-tender.
- Minimum salaries · Tender deadline
What the rules say about him
- Out of optionsUsed option years in 2022, 2023, 2024: cannot be sent down without clearing outright waivers.With no option years left, the only way to the minors is through irrevocable outright waivers. 2022-2026 Basic Agreement, Article XIX(E) and XIX(F), p. 98 (the number itself is in Major League Rules 7 and 8)
- Article XX-D: the right to walkOutrighted before (Sep 2024): a second outright lets him elect free agency, so he cannot be stashed in the minors against his will.A player with three or more years of service (or a Super Two), or any player being outrighted for the second time in his career, may elect free agency instead of accepting the outright. 2022-2026 Basic Agreement, Article XX(D)(1)-(2), (4), p. 110
- 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 2020 otherwise).
Option years, season by season
| Season | Days on option | Option year used | Stints |
|---|---|---|---|
| 2024 | 137 | yes | Mar 19, 2024 to Apr 27, 2024 (38d, spring training)May 6, 2024 to May 10, 2024 (4d)May 13, 2024 to Jun 1, 2024 (19d)Jun 5, 2024 to Jul 3, 2024 (28d)Jul 5, 2024 to Jul 26, 2024 (21d)Aug 2, 2024 to Aug 29, 2024 (27d) |
| 2023 | 183 | yes | Mar 15, 2023 to Apr 11, 2023 (12d, spring training)Apr 13, 2023 to Oct 1, 2023 (171d) |
| 2022 | 165 | yes | Mar 30, 2022 to May 28, 2022 (51d, spring training)May 29, 2022 to Jun 20, 2022 (22d)Jun 26, 2022 to Jul 27, 2022 (31d)Aug 6, 2022 to Oct 6, 2022 (61d) |
| 2021 | 4 | no (under 20) | Sep 30, 2021 to Oct 5, 2021 (4d) |
Transaction log
| Jul 9, 2026 | Status change | Miami Marlins activated RHP Janson Junk from the 15-day injured list. |
| May 28, 2026 | Status change | Miami Marlins placed RHP Janson Junk on the 15-day injured list. Right shin bone inflammation. |
| Sep 8, 2025 | Status change | Miami Marlins activated RHP Janson Junk from the 15-day injured list. |
| Aug 27, 2025 | Status change | Miami Marlins placed RHP Janson Junk on the 15-day injured list retroactive to August 24, 2025. Right ulnar nerve irritation. |
| May 24, 2025 | Contract selected | Miami Marlins selected the contract of RHP Janson Junk from Jacksonville Jumbo Shrimp. |
| Feb 10, 2025 | Signed as free agent | Miami Marlins signed free agent RHP Janson Junk to a minor league contract and invited him to spring training. |
| Sep 7, 2024 | Outrighted | Oakland Athletics sent RHP Janson Junk outright to Las Vegas Aviators. |
| Sep 5, 2024 | Designated for assignment | Oakland Athletics designated RHP Janson Junk for assignment. |
| Sep 1, 2024 | Status change | Oakland Athletics activated RHP Janson Junk. |
| Aug 31, 2024 | Claimed off waivers | Oakland Athletics claimed RHP Janson Junk off waivers from Houston Astros. |
| Aug 29, 2024 | Designated for assignment | Houston Astros designated RHP Janson Junk for assignment. |
| Aug 2, 2024 | Optioned | Houston Astros optioned RHP Janson Junk to Sugar Land Space Cowboys. |
| Aug 2, 2024 | Claimed off waivers | Houston Astros claimed RHP Janson Junk off waivers from Milwaukee Brewers. |
| Jul 28, 2024 | Designated for assignment | Milwaukee Brewers designated RHP Janson Junk for assignment. |
| Jul 26, 2024 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| Jul 5, 2024 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| Jul 3, 2024 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| Jun 5, 2024 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| Jun 1, 2024 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| May 13, 2024 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| May 10, 2024 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| May 6, 2024 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| Apr 27, 2024 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| Mar 19, 2024 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| Oct 5, 2023 | Status change | Milwaukee Brewers activated RHP Janson Junk. |
| Oct 1, 2023 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| Apr 13, 2023 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| Apr 11, 2023 | Recalled | Milwaukee Brewers recalled RHP Janson Junk from Nashville Sounds. |
| Mar 15, 2023 | Optioned | Milwaukee Brewers optioned RHP Janson Junk to Nashville Sounds. |
| Nov 23, 2022 | Traded | Milwaukee Brewers traded RF Hunter Renfroe to Los Angeles Angels for RHP Janson Junk, RHP Elvis Peguero and LHP Adam Seminaris. |
| Oct 6, 2022 | Recalled | Los Angeles Angels recalled RHP Janson Junk from Salt Lake Bees. |
| Aug 6, 2022 | Optioned | Los Angeles Angels optioned RHP Janson Junk to Salt Lake Bees. |
| Jul 27, 2022 | Recalled | Los Angeles Angels recalled RHP Janson Junk from Salt Lake Bees. |
| Jun 26, 2022 | Optioned | Los Angeles Angels optioned RHP Janson Junk to Salt Lake Bees. |
| Jun 20, 2022 | Recalled | Los Angeles Angels recalled RHP Janson Junk from Salt Lake Bees. |
| May 29, 2022 | Optioned | Los Angeles Angels optioned RHP Janson Junk to Salt Lake Bees. |
| May 28, 2022 | Recalled | Los Angeles Angels recalled RHP Janson Junk from Salt Lake Bees. |
| Mar 30, 2022 | Optioned | Los Angeles Angels optioned RHP Janson Junk to Salt Lake Bees. |
| Oct 5, 2021 | Recalled | Los Angeles Angels recalled RHP Janson Junk from Salt Lake Bees. |
| Sep 30, 2021 | Optioned | Los Angeles Angels optioned RHP Janson Junk to Salt Lake Bees. |
Service through 2025 per FanGraphs RosterResource; options and this-season service reconstructed from the MLB transaction log (reconstruction; FanGraphs shows 0). Rule 5 exposure deadline Nov 17, 2026.