(Undated) — The third and final week of the NFL preseason kicks off tonight. The Pittsburgh Steelers visit the Atlanta Falcons, while the Indianapolis Colts travel to Philadelphia to face the Eagles. Three games are on tap Friday highlighted by the Chargers visiting the 49ers. Ten more games will be on Saturday, with the action wrapping up Sunday night when the Houston Texans battle the Saints in New Orleans. The regular-season begins September 7th.