Martin Murray stepping into the Lion's den against Sergio Martinez in Buenos Aires, Argentina

Brit Martin Murray's challenge for the World Boxing Council (WBC) World Middleweight title against Argentine champion Sergio Martinez will be televised LIVE and exclusive on The Channel Of Champions BoxNation (Sky Ch. 437/Virgin Ch. 546). Unbeaten Murray heads to Buenos Aires on Saturday 27th April to face the world's number one middleweight and top four