Robles was ejected from the game after the incident, which occurred after he was hit by a pitch for the fourth time in five rehab games.
The outfielder issued an apology on social media, citing the recent passing of his mother and the challenges of his rehab stint.
Robles is appealing the suspension, which includes a fine and will take effect upon his return to the Mariners’ active roster.
Robles, who hasn’t played in the majors since suffering a dislocated shoulder on April 6, was on the cusp of returning to the Mariners when he was hit by a pitch from Las Vegas Aviators right-hander Joey Estes on Sunday, Aug. 17.
After already being hit by pitches three times in five rehab games for Class AAA Tacoma, Robles later said he let ‘frustration get the best of me’ when he picked up his bat and hurled it toward Estes.
Robles was immediately ejected from the game.
Afterward on social media, he apologized for his actions.
‘Coming off a long rehab and being away from the game for most of the season has been physically and mentally challenging,’ Robles said in an Instagram story. ‘Adding to that, the recent passing of my mother has been incredibly hard, and I’ve been doing my best to hold it together. That’s not an excuse, but some context I feel you deserve to understand where I’m coming from.’
On Tuesday, MLB announced Robles would be fined and suspended for 10 games once he returns to the Mariners’ active roster. However, he has appealed the suspension so no immediate action will be taken.
Robles, a nine-year MLB veteran, is in his second season with the Mariners after being acquired from the Washington Nationals last year.