Former two-time light heavyweight world champion Chad Dawson talks to Showtime Sports before his comeback against George Blades on Saturday, June 21 on Showtime Extreme.

As Gary Russell Jr. prepares for his bout against Vasyl Lomachenko, look back at his vicious 3rd round knockout of Roberto Castaneda.

Showtime Championship Boxing: Robert Guerrero vs. Selcuk Aydin. July 28, 2012. San Jose, California.

Robert Guerrero returns to face Yoshihiro Kamegai, Gary Russell Jr. puts his undefeated record on the line against Vasyl Lomachenko, and Devon Alexander looks to bounce back against Jesus Soto Karass.

All Access brings you inside the ring and behind the scenes as top junior middleweight contenders Canelo Alvarez and Erislandy Lara prepare for their July 12 showdown.

As a heralded amateur Gary Russell Jr. was poised for Olympic glory, but he fell ill and was unable to compete. Now, as an undefeated professional, he's positioned to become a champion.

Former four-division World Champion Robert Guerrero makes his anticipated return to the ring to face Japan's Yoshihiro Kamegai. Watch analysis en espanol featuring Showtime Boxeo commentators Raul Marquez and Alejandro Luna.

All Access brings you along for the ride as Canelo Alvarez and Erislandy Lara toured the country together before they meet in the ring July 12.

Canelo Alvarez meets Erislandy Lara on Saturday, July 12 in a battle of the top two Junior Middleweight contenders, live on Showtime Pay-Per-View.

Robert Guerrero returns to the ring to face Yoshihiro Kamegai, plus Gary Russell Jr. vs. Vasyl Lomachenko, and Devon Alexander vs. Jesus Soto Karass on June 21, 2014.