FILE - In this Jan. 1, 2014, file photo, Missouri senior defensive lineman Michael Sam speaks to the media during an NCAA college football news conference in Irving, Texas. Sam says he is gay, and he could become the first openly homosexual player in the NFL. (AP Photo/Brandon Wade, File)

NBA executive can relate to Michael Sam

Golden State Warriors President Rick Welts is one of the few people who knows what NFL draft prospect Michael Sam might be going through aft…