Broncos star Riley Moss dating former Yankees manager’s niece — as she shares relationship photos

Sports host Gianna Girardi and Broncos cornerback Riley Moss are going strong. Gianna, the niece of former MLB player and manager Joe Girardi, and Moss made their relationship public in May. He shared Instagram photos of her during a staycation together in Denver at the time. The in-game host for the Colorado Rockies and the…