Watch LIVE – Campillo vs. Kovalev Weigh-in @ 4:30 p.m. ET Fight Network Staff / January 18, 2013 - 8:30pm Tweet Former IBF and WBA light heavyweight champion Gabriel Campillo will face Sergey Kovalev on Saturday on NBC Sports Network. In partnership with NBC Sports, the weigh-ins can be watched live right here, courtesy of Yahoo! Sports, on Friday at 4:30 p.m. ET. Boxing Tweet Related Articles Hopkins vs. Kovalev Media Workout Quotes & Photos ‘The Fight Game with Jim Lampley’ Returns Oct. 28 on HBO Watch LIVE @ 3p ET – Kovalev vs. Caparello Official Weigh-in Stevenson vs. Fonfara ‘Collision’ on May 24 in Montreal, QC.