Insider Buzz: Gruden, Payton, Shanahan 'Interested' in Coaching Luck, Colts

With the conclusion of the NFL regular season looming, Indianapolis Colts head coach Chuck Pagano is not expected to retain his job with the team. The potential head coaching vacancy in Indianapolis is a big one and will most likely attract some big names.

Could former Raiders and Buccaneers coach Jon Gruden make a return to coaching with the Colts? How about former Broncos and Redskins coach Mike Shanahan?

Watch in the video above as Bleacher Report NFL Insider Jason Cole breaks down which big names may be after the Colts' head coaching position.