The New York Racing Association (NYRA) has canceled Friday's nine-race card at Belmont The Big A due to an ongoing maintenance issue at the racetrack, according to a release from the organization. Per the statement, Resorts World Casino was treating the roof with a product that has since created air quality issues on the building's top floor. Said area is occupied by live racing officials, and as a result, the entire card was abandoned. Aqueduct Racetrack will remain open for simulcasting and the featured Listed Glen Cove Stakes will be...