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Jacob Lopez
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Batting / Throwing
Proj.
Injury Status
Est. Return 9/16/2025 (Elbow)
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August 26, 2025
Placed on injured list
The Athletics placed Lopez on the 15-day injured list Tuesday with a left elbow flexor strain.
Analysis
Lopez's strained elbow played a factor in his performance Sunday against the Mariners, which saw him cough up nine earned runs in only two innings. The A's will keep him shut down for a period of time before starting up a throwing program, though they are still optimistic that the 27-year-old southpaw will make it back before the end of the year. Mason Barnett was selected from Triple-A Las Vegas to take Lopez's place on the active roster, but the team hasn't yet announced who will claim the open rotation spot.
August 25, 2025
Headed for IL with flexor strain
The Athletics announced Monday that Lopez has been diagnosed with a Grade 1 flexor strain in his left forearm and has been shut down from throwing, Martin Gallegos of MLB.com reports.
Analysis
Lopez was lit up for nine earned runs on six hits and six walks over two innings during his start in Sunday's 11-4 loss to the Mariners, with the Athletics revealing after the outing that the southpaw was battling forearm tightness. After undergoing an MRI, Lopez now has an official diagnosis of his injury, and manager Mark Kotsay said that the 27-year-old will be officially moved to the 15-day injured list Tuesday. The Athletics are hopeful that Lopez will be able to return at some point before the end of the season, even if it means he's working in a bullpen role, according to Gallegos. Joey Estes pitched in long relief of Lopez on Sunday and is the most likely candidate to enter the rotation as Lopez's replacement during the Athletics' series against the Rangers this coming weekend.
August 24, 2025
Dealing with forearm tightness
Lopez experienced forearm tightness during his start in Sunday's 11-4 loss to the Mariners, Martin Gallegos of MLB.com reports.
Analysis
Lopez was lit up for nine earned runs on six hits and six walks while striking out two batters across two-plus innings before being removed from the contest after tossing just 65 pitches. The left-hander had given up 10 total runs (nine earned) over his last seven starts prior to Sunday's contest, so the forearm injury provides an explanation behind his immense struggles in Seattle. Manager Mark Kotsay said that Lopez will be re-evaluated Monday, but considering the early diagnosis along with the fact that the southpaw previously required Tommy John surgery in 2021, the 27-year-old is most likely headed to the injured list.