(Undated) — Football is officially back for all 32 teams. A tripleheader kicks off Week One of the NFL preseason on Thursday. The Colts clash with the Ravens in Baltimore, the Bengals and Eagles square off in Philly and the nightcap features the Raiders and Seahawks dueling in Seattle. A trio of matchups are also on the slate for Friday while most of the league plays on Saturday. The Dolphins-Bears and Saints-Chargers matchups wrap up the first of three exhibition weeks on Sunday.
