Colts center Ryan Kelly and wife, Emma, tell their story of losing daughter Mary Kate in hope of saving other babies' lives.

Colts center Ryan Kelly and wife, Emma, tell their story of losing daughter Mary Kate in hope of saving other babies' lives.

Indianapolis Colts player Ryan Kelly and his wife Emma announced the death of their baby girl, 19 weeks into pregnancy. "I’ll forever wonder who you’d be today," the athlete wrote in a tribute.