Kelly won a national championship as a member of the Florida State Seminoles coaching staff during the 2013 college football season.

[1] He also won a College Football Playoff National Championship as the co-defensive coordinator of the 2020 Alabama Crimson Tide who went undefeated.

[3] In 2002, Kelly moved to Nicholls State University as secondary coach and stayed in that position through the 2003 season.

[6] Georgia Tech went on to finish the season with a 7–7 record and defeated USC 21–7 in the Hyundai Sun Bowl.

[7] For the 2013 season, Kelly moved to Florida State University as linebackers coach and special teams coordinator and helped the Seminoles win their third national championship.