Highlights from Leo Santa Cruzs fifth round technical knockout over Kiko Martinez on SHOWTIME CHAMPIONSHIP BOXING. SHOWTIME Boxing on .<br />SHOWTIME Sports televises undefeated three-division champion Leo El Terremoto Santa Cruz as he defends his featherweight title against hard-hitting Kiko .<br />Undefeated 3-division world champion Leo Santa Cruz gets to work in the 5th round and defeats Kiko Martinez via TKO in their featherweight bout on .<br />Leo Santa Cruz vs Kiko Martinez February 27th on SHOWTIME CHAMPIONSHIP BOXING.
