Originally signed as an undrafted free agent by New Orleans following the 2007 NFL Draft, Thomas appeared in 105 games with 41 starts over eight seasons with the Saints from 2007-2014. He accumulated 3,745 yards and 28 touchdowns on 818 rush attempts (4.6 avg.), and added 2,608 yards and 12 touchdowns on 327 receptions. On his way to a Super Bowl XLIV title in 2009, he rushed for 793 yards and six touchdowns on 147 carries and caught 39 passes for 302 yards and two touchdowns.