 The networks shared coverage of the Busch race (NBC from 2002 to 2004, TNT in 2005 and 2006) while NBC aired the Cup race.In 2007, ESPN returned to covering NASCAR and began carrying their championship weekend events over ESPN, ABC, and ESPN2.The ESPN family of networks actually had two separate contracts with NASCAR at the time; the Busch/Nationwide race aired on ESPN2 as ESPN was the exclusive television rights holder for the series under their contract.