Junior Perez

CF/RF/LF · R/R · age 25.2 · CWS

OCTOBER OK

Roster status
OPTIONED
Service thru 2025
0+000
Service now / projected
0+041 / 0+041
Option years left (2026)
3 (using one in 2026)
Assignments left this season
4 of 5
Contract (2027)
PRE-ARBITRATION / AUTO-RENEWAL
Acquired
Trade (ATH) May'26
Outrighted / DFA'd before
0 / 1
Contract
none listed

Next 90 days, by the model

Stays put
51%
Designated
31%
Optioned
13%
Traded
4%
Released or non-tendered
<1%

Pushing the cut risk up: this season's WAR (0.04) raises it, prior DFAs (1) raises it, DFAs in the last year (1) raises it.

Context the model does not weigh: ZiPS projects 0.8 WAR, 0.0 WAR this season; 11 OF on the 40-man, of whom Randal Grichuk, Tommy Pham are 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?

CWS returns 10 IF on the 40-man once nobody leaves; about 8 IF jobs survive a normal winter. By his own recent record he ranks 5th among the returners (0.1 WAR against a bar of -0.1), which the calibrated model turns into 80% kept through the tender deadline. Ranked by ZiPS and Steamer instead, which credit his longer track record, he is 9th (0.4 WAR, bar 0.6), worth 85% kept on the same model.

By recent record: returning IFProj. WAR
1. Colson Montgomery3.1
2. Chase Meidroth2.6
3. Miguel Vargas2.4
4. Munetaka Murakami2.2
5. Junior Perez0.1
6. Luisangel Acuna0.0
7. Andrew Benintendi0.0
8. Brooks Baldwinlast job-0.1
9. Tanner Murray-0.3
10. Rikuu Nishida-0.5
By ZiPS / Steamer: returning IFProj. WAR
1. Chase Meidroth2.3
2. Colson Montgomery2.2
3. Munetaka Murakami2.0
4. Miguel Vargas1.9
5. Luisangel Acuna1.2
6. Brooks Baldwin0.9
7. Tanner Murray0.6
8. Andrew Benintendilast job0.6
9. Junior Perez0.4
10. Rikuu Nishida0.2

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, 3 option years left. 4 of the five optional assignments for 2026 remain. A 2026 option year is already used (133 days), so further trips this season cost nothing extra. Once down he must stay 10 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, season by season

SeasonDays on optionOption year usedStints
2026133yesMar 8, 2026 to May 14, 2026 (50d, spring training)May 16, 2026 to Jun 18, 2026 (33d, within 24h of trade)Jul 27, 2026 to now (50d)

Transaction log

Jul 27, 2026OptionedChicago White Sox optioned CF Junior Perez to Charlotte Knights.
Jun 18, 2026RecalledChicago White Sox recalled CF Junior Perez from Charlotte Knights.
May 16, 2026TradedAthletics traded CF Junior Perez to Chicago White Sox for LHP Jackson Nove.
May 16, 2026OptionedChicago White Sox optioned CF Junior Perez to Charlotte Knights.
May 14, 2026Designated for assignmentAthletics designated CF Junior Perez for assignment.
Mar 8, 2026OptionedAthletics optioned CF Junior Perez to Las Vegas Aviators.
Nov 18, 2025Contract selectedAthletics selected the contract of CF Junior Perez from Las Vegas Aviators.
Nov 5, 2020TradedSan Diego Padres traded CF Junior Perez to Oakland Athletics. PTBNL in Jorge Mateo trade, 6/29/20
Jul 4, 2017Signed as free agentSan Diego Padres signed free agent OF Junior Perez 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 3). Rule 5 exposure deadline Nov 17, 2026.