HScott Motorsports
On November 21, 2013, it was announced that Addington would join HScott Motorsports in 2014 as a crew chief and competition director. On February 5, 2014, just days before the Daytona 500, it was confirmed that Addington would serve as the crew chief for the #51 team, whose driver would be Rookie of the Year candidate Justin Allgaier.