Integrity (#5, ML 5-2) returns in Friday’s third race at Belmont Park, a one-mile optional claimer. It will be his first start since finishing second by 3 1/2 lengths in an optional claimer March 27 at Aqueduct. The first- and third-place finishers from that race came back to win their next starts. Get the Key Race report as part of DRF Plus. Sign up for DRF Plus here.