Iván PopocaRey Iván Popoca is a Mexican former professional boxer.Amateur careerA construction worker by day, Popoca still managed to run his amateur record to an outstanding 137-13.Professional careerPopoca put on an impressive performance against a very slick Mike Gonzalez, knocking him out in the sixth round. He suffered his first defeat on April 15, 2011 against Ruslan Provodnikov. He suffered his second defeat on July 13, 2012 against Jose Louis Castillo via eighth-round TKO.