Alfredo Aceves and Dustin Pedroia had an argument Saturday night in the Red Sox dugout - MLB

Drama continues to surround this Red Sox team.

According to Sean McAdam of CSN New England, second baseman Dustin Pedroia and right-hander Alfredo Aceves got into a “heated argument” on Saturday in the visitors dugout at Oakland’s O.Co Coliseum. It was all verbal, but they eventually had to be separated by third base coach Jerry Royster.

McAdam got the inside scoop after the game:

According to a source, the argument was the result of Aceves attempting to direct the positioning of the infielders. Defensive positioning in the infield is the purview of Royster, who doubles as the team’s infield instructor.

The source added that Pedroia, angry over Aceves’s directions, essentially told the volatile reliever to concentrate on pitching and that the infielders would focus on positioning themselves properly.

Aceves also dropped a pop-up in the previous half-inning after calling off multiple converging infielders. The Red Sox went on to lose the game 7-1 and have now dropped to 10 games below the .500 mark. It’s a mess.

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UPDATE, 11:25 AM: MLB.com has video of the argument from the NESN (Red Sox) feed.

LOS ANGELES — Giancarlo Stanton, Josh Donaldson, and Tommy Kahnle were activated by the New York Yankees ahead of their weekend series against the Los Angeles Dodgers.

New York cleared three roster spots after a 1-0 loss at Seattle, optioning infielder-outfielders Oswaldo Cabrera and Franchy Cordero to Triple-A Scranton/Wilkes-Barre along with left-hander Matt Krook.

Stanton, Donaldson and Kahnle all played in a rehab game for Double-A Somerset. Stanton was hitless in three at-bats in his first appearance since injuring his left hamstring on April 15.

Donaldson went 1 for 4 in his fourth rehab game as he comes back from a strained right hamstring originally sustained on April 5.

Kahnle pitched one inning, giving up one run and one hit and walking two. He has been out since spring training with right biceps tendinitis.

Aaron Boone said he wasn’t concerned about Stanton returning after playing in just one rehab game. He did say that Stanton likely will be a designated hitter for a couple of weeks after rejoining the Yankees.

New York is missing centerfielder Harrison Bader, who strained his right hamstring against the Mariners and went on the injured list the next day.

Left-hander Carlos Rodón, sidelined since spring training by a sore left forearm and an ailing back, was transferred to the 60-day injured list.