By Ernesto Castellanos, notifight.com

Former IBF super flyweight champion Juan Alberto "Topo" Rosas is a happy man after knocking out Colombian John Alberto Molina last Saturday night in Chiapas, Mexico. And after that victory, the fighter born in Tepic is calling for a world championship fight at the bantamweight limit. Rosas has moved up in weight, and the 26-year-old boxer feels very strong as a bantamweight.

"I am now going to campaign full-time at bantamweight. I decided to leave the super flyweight division after having problems with the scale. At this weight, I've had two fights and two wins. I hope that I'll soon have a world championship fight. I think I have ability to beat any of the bantamweight world champions," Rosas said.

Rosas has a record with 34 wins, 27 by knockouts and six defeats. The former champ has been fighting since 2001.