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Athletics wire.

Source-linked injury notes, trades, roster moves, lineup updates, and video references, rewritten as Posterior briefs and tied back to the original publisher.

A's Call Up Tommy White to Compete at Third Base

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RosterATHJul 16, 1:37 PM EDT

A's Call Up Tommy White to Compete at Third Base

Oakland has promoted infield prospect Tommy White, though his minor-league numbers are inflated by hitter-friendly parks.

The Oakland Athletics have called up Tommy White from the minors. Despite a strong slash line in the minors this season, his wRC+ suggests below-average production when adjusted for his hitter-friendly home parks. Fellow infielder Kuroda-Grauer has impressed early but carries an unsustainable BABIP and has yet to draw a walk. White's long-term hold on the 3B job is considered somewhat improbable based on his minor-league track record.

Read brief →Source: Blogs ↗Signal confidence 75%

Tommy White Set for MLB Debut as A's Call Up Top Prospect

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RosterATHJul 15, 10:06 PM EDT

Tommy White Set for MLB Debut as A's Call Up Top Prospect

The former LSU standout will join Oakland for Friday's series opener against Washington in his first big-league appearance.

The Athletics are selecting infielder Tommy White ahead of Friday's game against the Nationals, marking his MLB debut. White fills a roster spot opened by transferring Brent Rooker to the 60-day IL. Joey Meneses and Brian Serven are being optioned to Triple-A to make room. White was a second-round pick in 2024 and has shown strong contact skills in the minors.

Read brief →Source: Mlbtraderumors ↗Signal confidence 90%

A's Rookie Gage Jump Settling In After Late-May Call-Up

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RosterATHJul 15, 11:00 AM EDT

A's Rookie Gage Jump Settling In After Late-May Call-Up

The 23-year-old southpaw has posted solid numbers since joining Oakland's rotation, flashing the stuff that made him a top prospect.

Gage Jump, the No. 2 prospect in the Athletics system, was called up from Triple-A Las Vegas in late May. The 2024 second-round pick out of LSU has made nine starts since his debut, posting a 3.51 ERA, 3.31 FIP, and 23.5% strikeout rate over 48.2 innings. Jump was a highly rated prep arm in California before starring at LSU. His advanced pitching knowledge and low-arm-angle delivery have drawn attention from evaluators.

Read brief →Source: Blogs ↗Signal confidence 70%

A's Fire Pitching Coach Scott Emerson, Hubbs Steps In

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RosterATHJul 14, 12:57 AM EDT

A's Fire Pitching Coach Scott Emerson, Hubbs Steps In

Oakland/Sacramento Athletics dismissed Scott Emerson after nearly a decade as pitching coach, elevating bullpen coach Dan Hubbs on an interim basis.

The Athletics officially relieved pitching coach Scott Emerson of his duties after he held the role since June 2017. Bullpen coach Dan Hubbs will serve as interim pitching coach for the remainder of the season. Emerson's tenure saw strong ERA marks from 2018–2020 but the staff posted a 4.60 ERA from 2021–2024, ranking near the bottom of the majors. The coaching change signals organizational dissatisfaction with pitching performance during the club's rebuild.

Read brief →Source: Mlbtraderumors ↗Signal confidence 100%

RosterATHJul 10, 6:39 PM EDT

Nick Kurtz Headed to IL With Right Thumb Strain

The Athletics' standout first baseman is expected to miss time with a thumb injury, putting his AL All-Star start in jeopardy.

Nick Kurtz is expected to be placed on the injured list with a right thumb strain, per MLB.com's Martin Gallegos. The timing of the injury is unclear, though Kurtz had left a recent game with an illness before returning. He has been one of the AL's best hitters this season, posting a .902 OPS with 20 home runs in 92 games. Kurtz had been slated to start for the AL at first base in the All-Star Game after Vladimir Guerrero Jr. declined his invitation.

Read brief →Source: Mlbtraderumors ↗Signal confidence 95%

RosterATHJul 9, 9:07 PM EDT

Murakami Returns: White Sox Activate Slugger from IL

Chicago's power hitter is back after six weeks on the shelf, rejoining the lineup just before the All-Star break against Oakland.

Manager Will Venable confirmed Munetaka Murakami will be activated from the 10-day injured list in time for a home series against the Athletics. Murakami had been sidelined since late May with a Grade 2 right hamstring strain suffered while running out an infield hit. He had 20 home runs at the time of the injury, tied for second in the majors, and remains in the top 15 despite the extended absence. His return comes as the White Sox look to rebound after being swept by Boston, held to just two runs over three games.

Read brief →Source: Mlbtraderumors ↗Signal confidence 90%

InjuryATHJul 7, 12:56 AM EDT

Wave of Late-June Injuries Derails Athletics' Playoff Push

Oakland has lost 11 of 14 after a cluster of injuries gutted their lineup, dropping them eight games below .500.

The Athletics entered late June within a half-game of the AL West lead but suffered a series of injuries that hollowed out their lineup. The team has since gone 3-11 over their last 14 games and sit at a season-worst 41-49. The injuries have shifted the front office's posture from buyer to potential seller ahead of the August 3 trade deadline. No specific players are named, but the damage is described as widespread across the position player group.

Read brief →Source: Mlbtraderumors ↗Signal confidence 70%

RosterATHJul 6, 10:27 PM EDT

A's Release Reliever Michael Kelly After DFA

Michael Kelly is free to sign elsewhere after Oakland released him following a DFA triggered by a 40-man roster crunch.

The Athletics officially released right-handed reliever Michael Kelly after designating him for assignment a week earlier to make room for rookie infielder Joshua Kuroda-Grauer. Kelly had been placed on the Triple-A injured list around the time of his DFA, which made a release the only viable outcome since injured players cannot be outrighted. The 33-year-old posted a 2.92 ERA across 70 appearances in 2024-25 but also served a one-year MLB suspension in between. Oakland may pursue him on a minor league deal, but Kelly is free to explore other options.

Read brief →Source: Mlbtraderumors ↗Signal confidence 100%

RosterATHJul 5, 9:06 PM EDT

Athletics Outright Geoff Hartlieb to Triple-A After Waiver Clearance

Hartlieb cleared waivers following a DFA and has been assigned to Las Vegas, though he can opt for free agency as a previously outrighted player.

The Athletics designated Geoff Hartlieb for assignment on Friday, and he has now cleared waivers and been outrighted to Triple-A Las Vegas. Because he has been outrighted before, Hartlieb holds the right to elect free agency rather than accept the minor league assignment. He has posted a 3.48 ERA in 33.2 innings at Triple-A this season with solid strikeout and ground-ball rates. His MLB track record remains limited, fitting the profile of a fringe Quad-A reliever.

Read brief →Source: Mlbtraderumors ↗Signal confidence 90%

Posterior generated visual for Athletics Athletics: A's prospect Lasko has surgery on fractured vertebra after outfield c...

InjuryATHJul 1, 11:04 PM EDT

A's prospect Lasko has surgery on fractured vertebra after outfield collision

Ryan Lasko is in stable condition following surgery, sidelining the Athletics outfield prospect indefinitely after a serious on-field injury.

Athletics prospect Ryan Lasko suffered a fractured vertebra during an outfield collision with a teammate on Tuesday. He subsequently underwent surgery and is reported to be in stable condition. The injury is serious and will sideline Lasko for an extended period. This effectively removes him from any near-term roster consideration for Oakland.

Read brief →Source: Cbssports ↗Watch video ↗Signal confidence 95%

InjuryATHJun 27, 10:47 AM EDT

A's Top Pitching Prospect Wei-En Lin Facing Tommy John Surgery

The 20-year-old lefty, a $1.3MM international signing in 2024, faces a recovery timeline that wipes out the rest of 2026 and likely all of 2027.

Wei-En Lin, a left-handed pitching prospect in the Athletics organization, is scheduled to undergo Tommy John surgery. The 20-year-old had excelled at Double-A Midland with a 1.93 ERA over 51 1/3 innings before a promotion to Triple-A Las Vegas went poorly. Lin allowed eight earned runs in just 1 2/3 innings across two Triple-A starts, and was placed on the injured list June 14. The standard recovery timeline puts his return no earlier than August 2027.

Read brief →Source: Mlbtraderumors ↗Signal confidence 95%