Ivan Calderon

Name: Ivan Calderon
Alias: Iron Boy El Nino De Hierro
Birth Name: Iván Calderón Marrero
Hometown: Guaynabo, Puerto Rico
Birthplace: Guaynabo, Puerto Rico
Stance: Southpaw
Height: 152cm
Reach: 160cm
Pro Boxer: Record
Amateur Boxer: Record

Manager: Peter Rivera
Trainer: Jose Sanchez

Ivan Calderon was known as a great pure boxer.

He was an amateur rival of Brian Viloria, defeating him at the 2000 American Olympic Qualifier in Tampa, Florida, and losing to him twice in USA vs. Puerto Rico Dual Meets in 1999 and 2000.

Calderon also defeated Miguel Angel Cotto during his amateur career.

Amateur Highlights

• 1999 Light Flyweight Bronze Medalist at the Pan-American Games in Winnipeg, Canada. Results were:
  • Defeated Wilfrido Valdez (Colombia) on points 8-3
  • Defeated Winston Mendez (Dominican Republic) on points 8-3
  • Lost to Maikro Romero (Cuba) on points 1-5
• 2000 Puerto Rican light flyweight representative at the 2000 Sydney Olympic Games. His result was:
  • Lost to Masara La Paene (Indonesia) on points 5-10

Professional Career

• Held the WBO Minimumweight Championship from 2003 to 2007 and successfully defended it eleven times.
• Held the WBO and Ring Light Flyweight Championship from 2007 to 2010 and successfully defended it six times.
• The Ring rated Calderon as the ninth best pound-for-pound boxer in the world in 2008.
• Lost three of his last four fights by knockout and retired in October 2012 with a record of 35-3-1 (6 KOs).
• Upon Calderon's retirement, Dan Rafael of ESPN wrote that he "is widely considered the best fighter in the history of the strawweight [minimumweight] division other than Hall of Famer Ricardo Lopez of Mexico."
• Defeated 17 opponents (2 by KO) in world title fights.
  • 5 opponents (0 by KO) in World Light Flyweight Title fights.
  • 12 opponents (2 by KO) in World Minimumweight Title fights.
• Retired with a record of 18-3-1 (2 KOs) in world title fights.
• Retired with a record of 9-3-1 (0 KOs) against former and current world titlists.
  • Won against Eduardo Ray Marquez, Alex Sanchez, Roberto Carlos Leyva, Daniel Reyes, Isaac Bustos, Hugo Fidel Cazares (twice), Nelson Dieppa, Rodel Mayol
  • Lost against Giovani Segura (twice), Moises Fuentes
  • Drew with Rodel Mayol

Preceded by: Eduardo Ray Marquez	WBO Minimumweight Champion 2003 May 3 – 2007 Sep Vacated	Succeeded by: Donnie Nietes
Preceded by: Hugo Fidel Cazares	WBO Light Flyweight Champion 2007 Aug 25 – 2010 Aug 28	Succeeded by: Giovanni Segura