Grand Champion fought back to beat Joey P. by a head Thursday in the $109,200 Fall Highweight Handicap at Aqueduct. After briefly yielding the lead in the lane, Grand Champion dug in to earn his fifth win in 10 career starts for trainer Jimmy Jerkens. “He kept trying,” jockey Eibar Coa said. “I saw that other horse wasn’t getting away from me, so I kept pushing and pushing.