Showtime sports will present the weigh-in of all three matchups on Saturday's Showtime Championship Boxing tripleheader today live, starting at 4 p.m. ET / 1 p.m. PT via satellite feed, YouTube, Ustream and www.SHO.com/Sports. 

The Showtime Press Pass Live event, which includes Robert Guerrero, Yoshihiro Kamegai, Gary Russell Jr., Vasyl Lomachenko, Devon Alexander and Jesus Soto Karass, will be hosted by Brian Custer from Doubletree-Civic Plaza in Carson and include live interviews with the fighters on the card.