Aaron Bummer: Breaking News, Rumors & Highlights

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The Royals announced that they have recalled Mason Black to Triple-A Omaha. Left-hander Aaron Bummer has been optioned to Triple-A Omaha in a corresponding move.

Kansas City Royals News / Royals Review / August 6

What a bummer: Royals bullpen blows another one

The Minnesota Twins rallied late to defeat the Kansas City Royals on Thursday night, 4-3. In doing so, the Twins snapped their four-game losing streak to get within a half-game of the final American League Wild Card spot while the Royals fell back to 20 games under .500.

MLB News / New Baseball Media / August 2

2026 Transactions: Blue Jays Trade for Taillon, Royals Promote Bummer

Chicago officially moved on from Jameson Taillon on August 2, as the Cubs traded him to a team that the club will see just days after the 2026 Trade Deadline.

Houston Astros News / Yardbarker Quizzes

The 'MLB Playoff hits leaders' quiz

How many of the 30 MLB players with at least 70 hits in their postseason career can you name in five minutes?

The 'Active multiple .300 seasons' quiz

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Kansas City Royals News / Royals Review / August 2

Bummer! Royals swept out of Colorado

Seth Lugo was bad and Aaron Bummer’s Royals debut was worse as the Royals fell to the Rockies 8-1. It was just a couple of weeks ago that Brian Henry wrote that the Royals needed to learn from not trading Seth Lugo last year.

MLB News / Yardbarker

Every first-overall MLB draft pick from the 21st century

The MLB Draft doesn’t get the same attention as the NFL Draft…or the NBA Draft…or even the NHL Draft. There’s the element of a stay in a farm system, the general lack of immediate impact for MLB draft picks, and the fact that it’s tougher for one MLB player to turn a franchise’s fortunes around.

Kansas City Royals News / MLB Trade Rumors / August 2

Royals Select Aaron Bummer

The Royals announced this afternoon that they’ve placed right-hander Luinder Avila on the 15-day injured list with right forearm tightness. They’ve also selected the contract of left-hander Aaron Bummer from Triple-A Omaha. Meanwhile, outfielder Kyle Isbel has concluded his rehab assignment, and the team has reinstated him from the injured list.

Athletics News / New Baseball Media / July 21

2026 Transactions: Royals Sign Bummer, Nationals DFA Lawrence

It’s been a tough year for the Royals’ bullpen, thanks to the loss of their injured closer and other problems. Kansas City added some depth on July 21, as Aaron Bummer was signed to a Minor League deal.

MLB News / MLB Trade Rumors / July 20

Royals To Sign Aaron Bummer To Minor League Deal

The Royals and left-hander Aaron Bummer have agreed to a minor league deal, reports Jon Heyman of The New York Post. The lefty reported to Triple-A Omaha today and should be in that club’s bullpen once the paperwork is officially completed, if it hasn’t been already.

Athletics News / Yardbarker

The 20 greatest MLB teams to never win the World Series

Even the most successful regular-season teams in Major League Baseball have failed to win it all. Here's our list of 20 such clubs that fall into that category.

Chicago Cubs News / MLB Trade Rumors / July 17

Aaron Bummer Opts Out Of Cubs Deal

Veteran left-handed reliever Aaron Bummer opted out of his minor league contract with the Cubs and is now a free agent, reports Jon Heyman of the New York Post.

Chicago Cubs News / Bleed Cubbie Blue / July 2

Cubs Minor League Wrap: Aaron Bummer, Liam Hendriks pitch for Iowa

South Bend first baseman Josiah Hartshorn and right-hander Mason McGwire were named to the Futures Game roster. Right-hander Kenten Egbert went back from Triple-A Iowa to High-A South Bend.

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Chicago Cubs News / Cubs Insider / June 30

Liam Hendriks, Aaron Bummer Join Drew Pomeranz to Bolster I-Cubs Staff

Some of you may be old enough to remember all the way back to yesterday, when I wrote about how there’s precious little pitching help waiting in Triple-A.

MLB News / MLB Trade Rumors / May 27

Cubs, Aaron Bummer Agree To Minor League Deal

The Cubs and left-hander Aaron Bummer have agreed to a minor league deal, reports Bob Nightengale of USA Today. The O’Connell Sports Management client will presumably report to Triple-A Iowa at some point in the coming days.

Chicago Cubs News / ChiCitySports / May 27

Chicago Cubs sign veteran reliever to minor league contract

The Chicago Cubs are pushing all the buttons they can to correct their season. As they are currently in the midst of a 10-game losing streak, they have made an addition to the organization via free agency.

Atlanta Braves News / SportsTalkATL / May 27

Braves old friend Aaron Bummer finds a new home

According to Bob Nightengale, the Chicago Cubs are signing recently released former Braves reliever Aaron Bummer. Aaron Bummer’s time in Atlanta was not as miserable as most Braves fans would like to describe.

Atlanta Braves News / SportsTalkATL / May 20

Was the Braves trade for Aaron Bummer actually a mistake?

They say hindsight is 20/20… but only if you’re being honest with yourself. And right now, I’m seeing a lot of Braves fans on the timeline who aren’t being completely truthful about the trade that brought Aaron Bummer to Atlanta, who was released on Tuesday.

MLB News / New Baseball Media / May 19

2026 Transactions: Braves Release Bummer, Twins Demote Lewis

The 19th of May saw a significant roster shake-up for several teams across Major League Baseball. Both the Braves and Twins released struggling relievers, while former top MLB Draft pick Royce Lewis was sent to Triple-A.

Atlanta Braves News / Athlon Sports / May 19

Atlanta Braves Release Player From 40-Man Roster

The Atlanta Braves announced a number of roster moves today, including the release of relief pitcher Aaron Bummer from the roster. Bummer had been a member of the Braves organization since 2024.

Atlanta Braves News / SportsTalkATL / May 4

How much longer can the Braves stick with Aaron Bummer?

The Braves have already begun reshaping their roster as reinforcements return. It started on Sunday with Spencer Strider’s return and will continue early this week with both Raisel Iglesias and Sean Murphy expected back in the mix.

Atlanta Braves News / Atlanta Braves on SI / September 18

Braves Move Bummer to 60-Day IL, Make Room for Waiver Claim

The Atlanta Braves are moving another player to the 60-day to make room for yet another waiver claim. Aaron Bummer will officially see his season end with the move off the 40-man and onto the 60-day. Infielder Brett Wisely has been claimed from the San Francisco Giants and optioned to Triple-A Gwinnett.

Atlanta Braves News / Yardbarker / July 5, 2025

Stock up, stock down: Atlanta Braves

While it's easy to choose who's down for Atlanta, let's examine who's up for the Braves as well.

Dean Kremer, Orioles intend to extend Braves' slump

Jordan Westburg homers in return as Orioles edge Braves

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Atlanta Braves News / Atlanta Braves on SI / November 2, 2024

Braves Sign All-Star Starter, Key Reliever to New Contracts

The Atlanta Braves announced signing a pair of pitchers -- right-handed starter Reynaldo López and left-handed reliever Aaron Bummer -- to new contracts Saturday.