Sam Houston Race Park, whose Thoroughbred meet just started at the beginning of this month, is rolling out a new partnership with the Texas Thoroughbred Association (TTA) and The Paddock Foundation on Ring The Bell for Thoroughbred Aftercare, the track said in a release on Sunday. Each live racing day, owners and trainers are invited to donate a portion of their purse winnings to The Paddock Foundation, the official aftercare program of the TTA. Fans can also get involved by filling out a form in the winner's circle and handing...