Steve Collins Matchroom Boxing. Alongside him was Paul "Silky" Jones, his sparring partner and good friend who later went on to become WBO light-middleweight title holder. Collins was trained by Freddie King in the Romford training camp. In 1994, he won a world title by defeating Chris Pyatt by stoppage in five rounds to become the WBO middleweight champion. The following year he relinquished this title without a defence and was having difficulty making the weight. Again as a substitute he moved up to super-middleweight to challenge Chris Eubank for the WBO title after Eubank's scheduled opponent Ray Close withdrew after failing
Iván Calderón (boxer) Iván Calderón (boxer) Iván Calderón Marrero (born January 7, 1975) is a Puerto Rican former professional boxer who competed from 2001 to 2012. He is a two-weight world champion, having held the WBO mini flyweight title from 2003 to 2007 (making eleven successful defenses and being recognized as super champion by the organization), and the WBO, " Ring" magazine, and lineal light flyweight titles from 2007 to 2010 (making six successful defenses). Additionally, his August 2010 bout against Giovani Segura was named fight of the year by " Ring" magazine. As an amateur Calderón represented Puerto Rico in international competitions,