On 19 March 2004, Obregón won his professional debut against the veteran Jimmy Desir at the Civic Center in
Kissimmee, Florida. After several big wins by knockout, Obregón took on Humberto Chavez (6-3-2) at the Miccosukee Resort & Gaming in Miami, Florida, and won by split decision over six rounds.
De La Rosa vs. Obregón On 25 August 2006, Obregón lost to undefeated Mexican
James de la Rosa. ==References==