AUBURN, Wash. - Cee's Irish heads a field of seven 3-year-old fillies in Saturday's $100,000 Washington Breeders' Cup Oaks at 1 1/8 miles, the headliner on a 10-race Emerald Downs card that also includes the $40,000 Knights Choice Stakes for 2-year-old fillies and the $40,000 Strong Ruler Stakes for juvenile colts and geldings.