49ers' Katie Sowers becomes NFL's first openly gay coachSan Francisco 49ers assistant coach Katie Sowers is set to become the NFL's first openly gay coach.SI Staff|Share on FacebookShare on XAdd us on San Francisco 49ers assistant coach Katie Sowers is set to become the NFL's first openly gay coach.Published Aug 22, 2017 | Modified Aug 22, 2017SI STAFFShare on FacebookShare on XHome/NFL