Jack Perkins (2-3, 6.26 ERA) takes the ball for Oakland against Reid Detmers (3-5, 3.93 ERA) at 6:38 PM PT at Angel Stadium on Saturday. The matchup looks tilted toward the Angels on paper — Detmers' ERA is nearly 2.5 runs better than Perkins' — but context cuts the other way in several meaningful spots.
For starters, Oakland already won Friday night 9-3, turning a scoreless first 4 innings into a 7-run fifth that put the Angels away for good. J.T. Ginn held the Angels to 3 runs over 6 innings, Jeff McNeil knocked in 2 to break it open, and Henry Bolte drove in a pair to put it out of reach. Now the A's are 40-42 and have won 4 straight road games against Los Angeles. They're not walking in timid.


Perkins is a converted reliever who landed in the rotation after Severino went to the 60-day IL with a shoulder injury. He has been hittable — 20 hits and 15 runs allowed in his last 18 innings, with a 6.32 ERA in road starts specifically. His last crack at the Angels on June 21 went 5 innings and produced 4 earned runs, though he did punch out 8. Detmers, meanwhile, looks very different from the outside versus in this specific matchup. He has been sharp in June, allowing just 6 runs in 26 innings this month and logging 8-plus strikeouts in each of his last 4 home starts. The problem: in 8 career appearances against the A's, Detmers carries a 8.10 ERA. His June 21 start against them cost him 5 earned runs in 6 innings, and that's not an outlier for him against this lineup.

- Day-To-DayJacob Wilson SS — Wilson (shoulder) isn't in the lineup for Friday's game against the Angels.
- 10-Day-ILZack Gelof 3B — The Athletics placed Gelof on the 10-day injured list Thursday with a right hand contusion.
- 10-Day-ILBrent Rooker DH — Rooker (knee) is still not participating in any baseball activities as of Tuesday, MLB.com reports.
- 15-Day-ILMark Leiter Jr. RP — Leiter (hip) began a throwing progression Monday, MLB.com reports.
- 60-Day-ILDenzel Clarke CF — Clarke (hamstring) has started to play catch and has also begun a swinging progression, Martin Gallegos of MLB.com reports.
- 60-Day-ILLuis Severino SP — The Athletics transferred Severino (shoulder) from the 15-day injured list to the 60-day IL on Sunday.
- 60-Day-ILBrooks Kriske RP — Kriske (shoulder) began a throwing progression Thursday, MLB.com reports.
- 60-Day-ILGunnar Hoglund SP — Hoglund (knee/back) will be sidelined for the rest of the 2026 season after undergoing surgery on his left hip Monday.

- Day-To-DayNiko Kavadas 1B — The Angels reassigned Kavadas to minor-league camp Wednesday.
- 10-Day-ILAdam Frazier 2B — Frazier (elbow) resumed throwing Wednesday, per MLB.com.
- 10-Day-ILMike Trout CF — Trout (hamstring) resumed on-field exercises Tuesday, Rhett Bollinger of MLB.com reports.
- 10-Day-ILSebastian Rivero C — Rivero was removed from Tuesday's game against the Astros with an apparent left hand injury, Rhett Bollinger of MLB.com reports.
- 10-Day-ILGustavo Campero C — The Angels selected Campero's contract from Double-A Rocket City and placed him on the 10-day injured list Saturday due to a fractured hand.
- 15-Day-ILGrayson Rodriguez SP — Rodriguez (back) will make a rehab start Sunday, Jeff Fletcher of The Orange County Register reports.
- paternityJose Siri LF — Siri went 2-for-4 with a stolen base and two runs scored in Sunday's 9-7 win over the Athletics.
- 60-Day-ILJack Kochanowicz SP — Kochanowicz's Tommy John surgery on his right elbow was deemed "successful," per MLB.com.
The Angels are already playing shorthanded. Mike Trout is on the 10-day IL with a hamstring issue. Starters Yusei Kikuchi and Jack Kochanowicz — who had successful Tommy John surgery — are both on the 60-day IL. Grayson Rodriguez is rehabbing a back injury. The rotation and lineup depth are both thinner than the standings suggest. Oakland has its own holes: Zack Gelof (hand) is on the 10-day IL, Jacob Wilson (shoulder) is day-to-day, and Brent Rooker (knee) is also sidelined. But the A's have been managing around those absences well enough to win 2 straight going into tonight.
The honest read here is that Detmers has the better overall profile and the home-field advantage, but he's walking into a matchup where Oakland's lineup historically feasts on him. Perkins is a work-in-progress rotation piece with rough road numbers who somehow went 1-0 with a 5.25 ERA in career starts against the Angels. None of it is clean. That's the game: Detmers vs. his own Oakland problem, on one side, and Perkins trying to stay afloat long enough to hand it to a bullpen that's been carrying a lot of the load.
