PHILADELPHIA - Major League Baseball hit Mets reliever Hansel Robles with a three-game suspension on Thursday, ruling that he intentionally buzzed the head of the Phillies' Cameron Rupp on Wednesday night.

The suspension, which comes with an undisclosed fine, is scheduled to begin Friday. The punishment would not impact Robles' eligibility for the postseason, even if he chooses to appeal the sanction. Instead, the suspension would roll over into next season.

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Robles has drawn the ire of opponents for his use of the quick pitch, which again touched off a dust-up on Wednesday night. The reliever fired a 94-mph fastball that barely missed Rupp's head and caught plate umpire Bob Davidson off guard.

Davidson immediately ejected Robles and manager Terry Collins because warnings had been issued. Yoenis Cespedes and Kirk Nieuwenhuis were plunked earlier in the game. The warning came when Mets starter Logan Verrett drilled Odubel Herrera in the back.

Robles' fastball drew an angry response from Rupp, who screamed and gestured toward him. Both dugouts emptied, resulting in a tense faceoff, though there was no physical scuffle.

Robles irked the Phillies last month when a quick pitch at Darrin Ruf sparked more hostilities. Robles has defended his use of the quick pitch and reiterated that he will continue to use it.