The Saints waive tight end Tom Crabtree, bring rookie linebacker Todd Davis back up from the practice squad _lowres

New Orleans Saints running back Mark Ingram (22) celebrates his touchdown in the second half of an NFL football game against the Green Bay Packers in New Orleans, Sunday, Oct. 26, 2014. The Saints won 44-23. (AP Photo/Rogelio Solis)

New Orleans Saints running back Mark Ingram talks with Advocate Online Sports Editor Pierce W. Huff about how to tell if a defense is getting tired during a game. Click here to see the video.