One night before the Super Bowl on Saturday, Feb. 3, Adamek (31-0, 21 KOs) will defend his WBC light heavyweight crown against Dawson (22-0, 1 NC, 15 KOs), while IBF lightweight titleholder Chavez will defend against Interim IBF 135-pound champion Diaz on SHOWTIME CHAMPIONSHIP BOXING (9 p.m. ET/PT, delayed on the west coast). [details]