With skill and speed, the Argentinian overcame his compatriot Santiago Sanchez with a fair technical knockout in the third round  win the Fedelatin Welterweight belt of the World Boxing Association on Saturday night in front of a packed audience at the Luna Park stadium in Buenos Aires. 

The bout opened with an intense intensity as both Argentine boxers exchanged punches in the center of the ring. However, in the second round Rosas’ speed took the lead in the fight in the third round, the referee waved his hands as a sign of the end. 

Rosas, with a record of 13 victories, 11 of which have been before the limit, showed a refined boxing technique that led him to be crowned to continue positioning himself in a competitive division.