Erisbel Arruebarrena's rehab assignment at Triple-A Albuquerque came to a violent end Saturday night, when the 24-year-old infielder incited a massive brawl in the Isotopes' game against the Reno Aces.Sunday, the Dodgers activated Arruebarrena from the 15-day disabled list and re-assigned him to Single-A Rancho Cucamonga.