Science Fair Project Encyclopedia
Ivan Calderón (boxer)
He also lost to Brian Viloria during his amateur boxing career.
On May 3, 2003, Calderón became a world champion for the first time, beating Eduardo Marquez by a technical decision in nine rounds at Las Vegas, as part of the De La Hoya-Campas undercard, to win the WBO's world Strawweight title. He had dropped Marquez twice before the end of the fight.
Calderón retained his title by a 12 round decision in his first defense, on September 5, over Lorenzo Trejo of Mexico, at Caguas, Puerto Rico. In his second defense, held at Bayamón, he defeated former world champion Alex Sanchez by a unanimous twelve round decision.
Before that fight, Calderón obtained his high school credit diploma. Cesar Rey , director of the Puerto Rican school department, hoped Calderón could become an example to Puerto Rican youth.
On November 23 of that year, he made his fifth defense, defeating Nicaraguan Carlos Fajardo by a twelve round unanimous decision. as part of the Barrera-Morales III undercard. His fight with Fajardo was shown live on HBO's Pay per view.
Calderón as a professional is undefeated, with 21 wins and 4 of those by knockout.
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