Javier Rogelio Jáuregui Delgadillo (September 5, 1973 – December 11, 2013), also known as El Chatito, was a Mexican professional boxer in the lightweight (135 lb) division.
After 15 years, in 2003, he captured the vacant IBF Lightweight Title with a TKO over Leavander Johnson.
[1] He also handed future 2x lightweight world champion Jose Luis Castillo two TKO defeats.
It was reported on December 11, 2013, that Jauregui had suffered a stroke in Jalisco, Mexico, and been declared braindead.
Some speculated that his Brain injury could have been caused by a hard sparring session with Canelo Alvarez a day prior.