ARCADIA, Calif. – Tripoli, the winner of the Grade 1 Pacific Classic at Del Mar in August, is in the midst of a 90-day rest after undergoing surgery to have a bone chip removed from a knee. Trainer John Sadler said on Sunday that the injury was detected after Tripoli finished seventh of eight in the Breeders’ Cup Classic at Del Mar on Nov. 6. “He’ll be back for the summer,” Sadler said. :: Bet the races with confidence on DRF Bets. You're one click away from the only top-rated betting platform fully integrated with exclusive data, analysis, and expert picks. Tripoli has won 4 of 16 starts and earned $889,960 for Hronis Racing. Aside from the Pacific Classic, Tripoli was second in the Grade 2 San Diego Handicap at Del Mar last July.