4 GEICO Dodge for the Biagi Brothers Racing team, scoring several top fifteen finishes, and was rumored to be in the car full-time for the 2006 season, but was released in late November 2005, replaced by Mark Green when team owner Fred Biagi declined to renew his relationship with Chip Ganassi Racing.

Hamlin's driving career starting in the Pacific Northwest at the age of 3, racing dirt ovals on a 50cc 3-wheeler.

41 Ganassi Busch car for several races that Sorenson could not attend due to schedule conflicts with the Cup Series events.

In early 2007, it was announced that Hamlin and Nextel Cup rookie Juan Pablo Montoya would split time driving the No.

During the Gateway 250, Hamlin earned his first career top 10 finish, a 7th, despite a spin caused by Carl Edwards near the later stages of the race.

It was announced later the next week that the #42 Busch team would be shutting down, effectively ending Kevin's season.

Hamlin, normally a spotter for John Andretti, failed to qualify for the Kansas Sprint Cup race for Bob Jenkins.

Starting at Texas in the Fall of 2010 and through the 2011 season, Kevin was the spotter for NASCAR Sprint Cup driver Clint Bowyer.