LA JOLLA — Fans of mixed martial arts (MMA) and the UFC will have a chance to meet MMA star Wanderlei Silva in La Jolla during a special autograph signing. Silva, who fights in the UFC’s middleweight division, will appear at Ralph’s, 8657 Villa La Jolla Drive, on Friday, Feb. 11 at 1 p.m.  Silva, who has a 33-10-1 record, is a longtime brand ambassador for XYIENCE, maker of Xenergy, the official drink of the UFC. Silva will sign XYIENCE autograph cards and cans of Xenergy, the sugar- and calorie-free energy drink. “I always enjoy visiting the San Diego and Orange County areas, so this will be a great event,” said Silva in a statement. Fans are encouraged to arrive early. — Kendra Hartmann