SLP98081602- 16 AUGUST 1998- ST. LOUIS, MISSOURI, USA: St. Louis Cardinals' Mark McGwire stops to sign a baseball for actress Yasmine Bleeth prior to a game with the Pittsburgh Pirates, August 16. Bleeth, of television's Baywatch, is in St. Louis for the opening of a new Planet Hollywood Resturant. .UPI bg/wy/Bill Greenblatt