Little Javier

There are several things we know about Fernando Vargas entering his fight against Spain's Javier Castillejo on Saturday night in Rosemont, Ill. The two-time junior middleweight champion is the front-runner to oppose Oscar De La Hoya when "The Golden Boy" finally returns to the ring on May 6 in Las Vegas. The Oxnard, Calif., fighter has little interest in facing Ricardo Mayorga later this year, esp…