Thursday's interview with Couric would be the first time Te'o has spoken on camera about the hoax.

CNN: STORY HIGHLIGHTS

The only time Te'o might be asked to run 40 yards in a straight line in the NFL might be if he covers kickoffs on special teams, so more important are the quickness and positional drills.

WSJ: Heard on the Field: Manti Te'o Improves '40' Time at Notre Dame Pro Day

Te'o did so with an official time of 4.69, more than a tenth of a second faster than he ran at the scouting combine last month.

WSJ: Heard on the Field: Manti Te'o Improves '40' Time at Notre Dame Pro Day