The 2023 baseball season is only one day old, but blood is already boiling in Southern California.

After his team’s 2-1 loss to the Oakland Athletics, Anthony Rendón of the Los Angeles Angels was caught on camera grabbing an A’s fan by the jersey and swinging an open hand at the fan’s head. .

It’s unclear exactly what sparked the confrontation, but Rendon claimed the fan called him b—-.

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Anthony Rendon of the Los Angeles Angels during a game against the Oakland Athletics at RingCentral Coliseum on October 4, 2022 in Oakland, California.

Anthony Rendon of the Los Angeles Angels during a game against the Oakland Athletics at RingCentral Coliseum on October 4, 2022 in Oakland, California. (Lachlan Cunningham/Getty Images)

«What did you say? You called me b—-, huh. Yes, you did. Yes, you did. Yes, mother—-,» Rendon told the fan as he grabbed her shirt.

That’s when Rendon released his hold and then tried to swipe the fan’s A’s hat.

Angels teammate Mike Trout stopped in his tracks to witness the war of words, but everyone walked away before things got worse.

Los Angeles Angels' Anthony Rendon, right, fist bumps against coaches and teammates during a game against the Oakland Athletics at RingCentral Coliseum on Thursday, March 30, 2023, in Oakland, California.

Los Angeles Angels’ Anthony Rendon, right, fist bumps against coaches and teammates during a game against the Oakland Athletics at RingCentral Coliseum on Thursday, March 30, 2023, in Oakland, California. (Suzanna Mitchell/MLB Photos via Getty Images)

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MLB said it is investigating the incident.

«We are aware of the video and are now investigating the matter.» MLB said in a statement.

Rendon didn’t make contact on the punch, so fans were quick to throw their own punches at Rendon, who has struggled to stay healthy since signing his seven-year, $245 million contract in 2019. He hasn’t performed exactly well. when he has played, hitting .250 with a .776 OPS in 158 games since joining the Angels.

The Angels led 1-0 in the bottom of the eighth after six shutout innings and 10 strikeouts by Shohei Ohtani, who also went 1-for-3 with a walk and a standout catch by Hunter Renfroe.

Anthony Rendon of the Los Angeles Angels before a game against the Oakland Athletics at RingCentral Coliseum on October 4, 2022 in Oakland, California.

Anthony Rendon of the Los Angeles Angels before a game against the Oakland Athletics at RingCentral Coliseum on October 4, 2022 in Oakland, California. (Lachlan Cunningham/Getty Images)

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But the bullpen allowed two runs in the frame and the offense couldn’t get back on the board.