Rankings of the top 50 Football Bowl Subdivision, or FBS, teams can be accessed online through CBSSports.com and statistician Jeff Sagarin; both rankings expand to include all FBS teams. The Associated Press, USA Today Coaches Poll and College Football Playoff Rankings only feature the top 25 and those receiving votes.
The "CBSSports.com 128," developed by CBS Sports analysts, assigns a numerical ranking to each of the 128 teams, as of 2015, competing at the FBS level. The list is updated each week during the season and occasionally during the off-season to reflect coaching changes, player transfers, recruiting and injuries. The list is accessible by visiting CBSSports.com and selecting Rankings from the NCAA FB header. The ensuing page additionally displays the most recent Associated Press, USA Today Coaches Poll and College Football Playoff Rankings, as well as NCAA Division II and Division III and NAIA polls.
Renowned statistician Jeff Sagarin's computer rankings combine FBS teams with those competing in the Football Championship Subdivision, or FCS. Sagarin's ratings assigned a numerical ranking to 252 teams for the 2014 season. The computer-generated ratings take into consideration the results of all games played between FBS and FCS schools. Each team is also assigned a "Predictor" value that serves as a tool to forecast the outcome of future games between any two given teams. The ratings may be viewed by visiting Sagarin.com and selecting the hyperlink titled "USA Today - Jeff Sagarin College Football Ratings," which is located toward the bottom of the page.