ARCADIA, Calif. — Unique Bella won the $200,000 Las Virgenes Stakes for 3-year-old fillies by 8¾ lengths Sunday at Santa Anita. Ridden by Mike Smith, Unique Bella ran a mile in 1:35.66 and paid $2.20 and $2.10 in the Grade 2 race. Mopotism returned $4, while Breeders’ Cup Juvenile Fillies winner Champagne Room was another