Mason Barnett: Breaking News, Rumors & Highlights

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The Athletics opened their final road series of the year against the Cleveland Guardians on Friday night. The A’s offense faded after a strong first inning, while starter Mason Barnett and the bullpen combined to allow five unanswered runs in a 5-3 defeat, giving the A’s their 93rd loss of the season.

Athletics News / Dice City Sports / September 13

Barnett goes distance as Aviators beat River Cats

Mason Barnett gave the Las Vegas Aviators exactly what they needed Saturday night, then Jack Winkler and Cole Conn supplied the power. Barnett threw all nine innings as Las Vegas rallied for a 3-2 win over the Sacramento River Cats at Las Vegas Ballpark.

Athletics News / Athlon Sports / August 18

Athletics Make Roster Decision for Royals Game

The Athletics made a pitching change Tuesday, recalling right-hander Taylor Rashi from Triple-A Las Vegas and optioning right-hander Mason Barnett to the minors.

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Athletics News / Athletics on SI / August 18

How Athletics Can Fix Struggles at End of Rotation

The Athletics have the makings of a very good rotation, until they get to slots four and five. Mason Barnett proved that even when the team finds harmony, it will not last long.

Athletics News / Yardbarker

The most surprising player from every MLB team for the 2026 season

The 2026 season has been headlined by young players emerging, but some wily veterans have also had their day. As we head toward the end of the regular season, these 30 players stand out as the biggest surprises on their teams.

Athletics News / Athletics Nation / August 12

A’s Blown Out By Rays 12-4

The Athletics dropped the second game of their three-game series against the Rays on Tuesday night, losing in embarrassing fashion to Tampa Bay 12-4 on a warm night in Sacramento.

Athletics News / Athletics Nation / July 22

A’s roster moves: Ginn to IL, Barnett recalled

The A’s just can’t catch a break in the health department. The club announced that right-hander J.T. Ginn is the latest member of the squad to land on the 10-day IL, landing there because of a blister on his right middle finger: The loss hurts for the short-term but on the bright side this shouldn’t be a long-term absence for the righty.

Athletics News / Athlon Sports / June 27

Who Is Mason Barnett, and Can He Help Your Fantasy Team?

You have seen the name in a waiver wire alert or a box score notification. Mason Barnett, right-hander, Oakland Athletics, closed out a game Thursday. You have no idea who he is.

Athletics News / Athletics on SI / June 26

Athletics Might Have Found Their New Closer

The A's bullpen has been horrible as of late, and they have been losing lots of games when the bullpen blows up. The team has been relying on a bunch of different arms to close out games and even just navigate the A's through late-inning games.

Athletics News / Dice City Sports / June 6

Barnett dominates in relief, but A’s fall 5-1 in Houston

The Athletics got two very different pitching performances Friday night. Jack Perkins struggled through four innings, while Mason Barnett was nearly untouchable in relief.

Athletics News / Dice City Sports / June 3

A’s shuffle pitching staff, call up Morris and Barnett

The Athletics reshaped their pitching staff Tuesday, recalling right-handers Kade Morris and Mason Barnett from Triple-A Las Vegas while optioning Michael Kelly and Jacob Lopez.

MLB News / Yardbarker

The most disappointing player from every MLB team for the 2026 season

The 2026 season hasn't gone as planned for many MLB players. These 30 players stand out as the biggest disappointments for their respective teams.

Athletics News / Dice City Sports / April 28

The A’s Take Note of Young Aviators Pitchers

After helping the Las Vegas Aviators end a four-game losing streak, pitcher Mason Barnett was recently called up to rejoin the Athletics. Although optioned back to Triple-A, Barnett is the latest promising Aviators pitcher to reach the majors as the A’s future pitching staff develops in Las Vegas.

Athletics News / Dice City Sports / April 28

Cortes Player of Week leads A’s sweep as Barnett grabs PCL honor

Carlos Cortes and Mason Barnett gave the Athletics’ system a clean sweep of weekly recognition. Cortes was named American League Player of the Week on Monday after carrying the A’s offense through series wins over Seattle and Texas.

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Athletics News / Athletics Nation / April 20

A’s roster moves: Basso recalled, Barnett optioned

The A’s announced a small roster move on Monday morning hours before their series with Seattle kicks off. The team is bringing up left-hander Brady Basso

Athletics News / MLB on ClutchPoints / April 18

Athletics announce 2 big roster moves ahead of White Sox clash

The Athletics made significant adjustments ahead of Saturday’s matchup with the Chicago White Sox, as pitching depth quickly became a priority early in the three-game series.

MLB News / Dice City Sports / March 3

A’s beat Padres 7-2 for second straight spring win

The A’s are rolling for the first time this spring. Oakland beat the San Diego Padres 7-2 on Monday at Peoria Stadium, winning its second straight Cactus League game and improving to 3-6 overall.

Athletics News / Athletics Nation / February 24

Athletics Drop Fourth Straight Spring Contest, Fall To Brewers 10-0

The Athletics continued their terrible start to spring training, losing 10-0 to the Milwaukee Brewers. This afternoon, the Brewers took an early lead and never looked back on their way to the blowout victory.

Athletics News / Athletics Nation / December 2

2025 Athletics Season In Review: Mason Barnett

Today in our Season In Review series we take a look at one of the better pitching prospects in the organization and his first taste of the big leagues.

Athletics News / Athletics on SI / October 15

Early Red Flag For A's Rookie Mason Barnett?

When the Athletics acquired starting pitcher Mason Barnett from the Kansas City Royals in the Lucas Erceg deal at the 2024 Trade Deadline, he went on to show off for the rest of the season in Double-A Midland.

Athletics News / Athletics on SI / September 6, 2025

Mason Barnett Escapes Brink of Disaster to Earn First MLB Win Against Angels

After the Athletics grabbed a quick 2-0 lead over the Los Angeles Angels in the first inning, rookie right-hander Mason Barnett, making just his second start in the big leagues, struggled through a 35-pitch first inning.

Athletics News / Angels Nation / September 8, 2025

A’s Explode for Seven Runs in Third to Defeat Angels 10-4

JJ Bleday crushed a three-run homer to highlight a seven-run third inning, and Mason Barnett settled down after a rough start as the Oakland Athletics beat the Los Angeles Angels 10-4 on Friday night.

Athletics News / Auburn Tigers on SI / August 27, 2025

Welcome to the Show: Former Auburn Pitcher Called Up By Oakland Athletics

Another former Auburn Tigers baseball player has made his presence known in the big leagues. Former right-handed pitcher Mason Barnett was called up to the Oakland Athletics on Tuesday, per a release, and is set to join the team for the remainder of their series against the Detroit Tigers.

Athletics News / New Baseball Media / August 28, 2025

What to Expect from Athletics Pitcher Mason Barnett

The second half of August has turned into a trendy time to call up prospects knocking on the MLB door. Mason Barnett, acquired by the Athletics last summer, became the next notable prospect to get the call.

Athletics News / MLB Trade Rumors / August 26, 2025

Athletics select top pitching prospect for his MLB debut

A third-round pick of the Royals in 2022, he was one of three players who came to the A’s as part of last year’s deadline deal which sent Lucas Erceg to Kansas City.

Kansas City Royals News / Athletics on SI / December 14, 2024

Former Kansas City Royals Prospect Could Factor into A's Turnaround

The Athletics, regardless of where the team calls home, have struggled with starting pitching in recent seasons. For a team that just left their Oakland home, forced to put down temporary roots down in Sacramento, starters become that much more important.