Prudential Center, Newark, NJ (NBC Sports Network): Thomasz Adamek, Jersey City, NJ, vs. Eddie Chambers, Philadelphia, PA, 12 rounds, heavyweights; Bryant Jennings, Philadelphia, PA, vs. Steve Collins, 10, for vacant USBA Heavyweight Title; Curtis Stevens, Brownsville, NY, vs. Marcus Upshaw, Jacksonville, FL, 8, middleweights; Jose Peralta Alejo, Jersey City, NJ, vs. Dontre King, Cambridge, MD, 6, junior welterweights; John Thompson, Newark, NJ, vs. John Mackey, Montgomery, AL, 6, middleweights; Patrick Farrell, Jersey City, NJ, vs. tba, 4, heavyweights. Tickets priced at $254, $104, $79 and $54 are on sale at the Prudential Center Box Office, Main Events (973-200-7050) or at all Ticketmaster outlets (800-745-3000) or online at www.ticketmaster.com or www.prucenter.com. (Main Events in association with Peltz Boxing, Ziggy Promotions and Goossen Tutor Promotions).