PASADENA ( — Saturday night’s Beyonce-Jay Z concert at the Rose Bowl Stadium is making headlines for something other than the duo’s stellar performances.

A scuffle between two men at the venue with one of them biting off the other’s finger tip, according to the Pasadena Police Department.

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The incident was instigated when 25-year-old Roberto Alcaraz Garnica, of San Diego, groped a woman at the stadium, police said.

The woman’s boyfriend got into a physical altercation with Garnica, who allegedly bit off a chunk of the boyfriend’s finger.

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Garnica was arrested and booked on a charge of mayhem. He could face further charges.

The boyfriend, listed as in his 20s, was taken to a hospital.

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The fight took place at the first of Beyonce and Jay Z’s two-night stint at the Rose Bowl for their “On The Run” tour.