By Karl Freitag

Top rated IBF super featherweight contender Rances “Kid Blast” Barthelemy (20-0, 12 KOs) dethroned IBF titleholder Argenis “La Tormenta” Mendez (20-3-1, 11 KOs) for the second time on Thursday night at the American Airlines Arena in Miami, Florida.

This time it will stick.

Barthelemy KO’d Mendez in their first fight in January, but that result was later changed to a no-decision after a review and Mendez got back…