Week 5 Sunday Night Football Injury Updates: Marlon Mack, T.Y. Hilton, Damien Williams, Sammy Watkins fantasy start-or-sit worries

Fantasy football owners will be waiting all day for Sunday Night Football injury updates. Marlon Mack, T.Y. Hilton, Damien Williams, and Sammy Watkins are major Week 5 start 'em, sit 'em worries ahead of the Colts-Chiefs showdown.