In the first defection of a top contender for the Breeders' Cup World Thoroughbred Championships at Lone Star Park on Oct. 30, Balto Star was taken out of consideration for two turf races Friday due to a strained right tendon.The winner of the Meadowlands Breeders' Cup (gr. II), Balto Star had been pre-entered in the John Deere Breeders' Cup Truf (gr. IT) and the NetJets Breeders' Cup Mile (gr. I), for which he was among the horses on the preference list.Trainer Todd Pletcher said the gelded son of Glitterman will miss up to 90 days of training.Owned by Anstu Stables, Balto Star has been a versatile runner, with a record of 12 wins from 38 starts with earnings of $2,363,700. The 6-year-old has a record of five wins from 17 starts, with purses of $1,048,134, in grass races.