With Retama Park opting to race only Quarter Horses in 2021, Sam Houston Race Park (46 dates) and Lone Star Park (42 dates) will make up the bulk of the Thoroughbred schedule in Texas next year. The Texas Racing Commission (TRC) approved the changes and granted the requested slate of race dates at its Sept. 29 meeting. Retama had switched its schedule to exclusively Quarter Horses this season, swapping out Thoroughbred dates to other tracks in deference to the COVID-19 pandemic. It will continue that format into 2021. Sam Houston's...