Career
Rojas qualified for the Colombian squad in the men"s heavyweight class (+80 kg) at the 2004 Summer Olympics in Athens, by defeating Costa Rica"s Kristopher Moitland for a top spot and granting a berth from the Pan American Olympic Qualifying Tournament in Querétaro, Mexico. He lost his opening match by a 3–7 margin to Greek crowd favorite and two-meter-tall fighter Alexandros Nikolaidis, but redeemed himself to compete for the Olympic bronze medal through the repechage, following Nikolaidis" progress towards the final.