Luis Perales
RP · R/R · age 23.4 · WSHOCTOBER OK
ACTIVE
0+000
0+020 / 0+033
1 (using one in 2026)
5 of 5
PRE-ARBITRATION / AUTO-RENEWAL
Trade (BOS) Dec'25
0 / 0
none listed
Next 90 days, by the model
65%
12%
21%
2%
<1%
Pushing the cut risk around: this season's WAR (-0.23) raises it, age (23.42) lowers it, option days this season (154) raises it.
Context the model does not weigh: ZiPS projects 0.6 WAR, -0.2 WAR this season; 22 RP 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?
WSH returns 22 RP on the 40-man once nobody leaves; about 9 RP jobs survive a normal winter. By his own recent record he ranks 18th among the returners (-0.7 WAR against a bar of 0.3), which the calibrated model turns into 89% kept through the tender deadline. Ranked by ZiPS and Steamer instead, which credit his longer track record, he is 10th (0.3 WAR, bar 0.3), worth 94% kept on the same model.
| By recent record: returning RP | Proj. WAR |
|---|---|
| 1. Erik Tolman (wsn) | 0.9 |
| 2. Brad Lord | 0.7 |
| 3. Matt Waldron | 0.6 |
| 4. Mitchell Parker | 0.6 |
| 5. Will Dion | 0.4 |
| 6. Orlando Ribalta | 0.3 |
| 7. Eddy Yean | 0.3 |
| 8. Jake Bird | 0.3 |
| 9. Paxton Schultzlast job | 0.3 |
| 10. Jared Simpson | 0.2 |
| 11. Jack Sinclair | 0.0 |
| 12. PJ Poulin | 0.0 |
| By ZiPS / Steamer: returning RP | Proj. WAR |
|---|---|
| 1. Mitchell Parker | 0.8 |
| 2. Brad Lord | 0.7 |
| 3. Will Dion | 0.6 |
| 4. Clayton Beeter | 0.5 |
| 5. Zak Kent | 0.4 |
| 6. Paxton Schultz | 0.4 |
| 7. Jake Bird | 0.4 |
| 8. Matt Waldron | 0.3 |
| 9. Ken Waldichuklast job | 0.3 |
| 10. Luis Perales | 0.3 |
| 11. PJ Poulin | 0.2 |
| 12. Kyle Nicolas | 0.2 |
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. 5 of the five optional assignments for 2026 remain. A 2026 option year is already used (154 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) 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; 154 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 0 times this season that count toward the cap of 5: 5 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))
- 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 2023 otherwise).
Option years, season by season
| Season | Days on option | Option year used | Stints |
|---|---|---|---|
| 2026 | 154 | yes | Mar 8, 2026 to Aug 26, 2026 (154d, spring training) |
| 2025 | 195 | yes | Mar 7, 2025 to Sep 29, 2025 (195d, spring training) |
| 2024 | 195 | yes | Mar 8, 2024 to Oct 1, 2024 (195d, spring training) |
Transaction log
| Aug 26, 2026 | Recalled | Washington Nationals recalled RHP Luis Perales from Rochester Red Wings. |
| Mar 8, 2026 | Optioned | Washington Nationals optioned RHP Luis Perales to Rochester Red Wings. |
| Dec 15, 2025 | Traded | Boston Red Sox traded RHP Luis Perales to Washington Nationals for LHP Jake Bennett. |
| Oct 3, 2025 | Status change | Boston Red Sox activated RHP Luis Perales. |
| Sep 29, 2025 | Recalled | Boston Red Sox recalled RHP Luis Perales from Worcester Red Sox. |
| Mar 7, 2025 | Optioned | Boston Red Sox optioned RHP Luis Perales to Portland Sea Dogs. |
| Oct 1, 2024 | Recalled | Boston Red Sox recalled RHP Luis Perales from Portland Sea Dogs. |
| Mar 8, 2024 | Optioned | Boston Red Sox optioned RHP Luis Perales to Worcester Red Sox. |
| Nov 14, 2023 | Contract selected | Boston Red Sox selected the contract of RHP Luis Perales from Greenville Drive. |
| Jul 2, 2019 | Signed as free agent | Boston Red Sox signed free agent RHP Luis Perales 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.