The presence of Busch Whackers is seen as problematic by some Nationwide regulars who complain about more talented Cup drivers taking the top prize money and thus leading to loss of sponsorship for Nationwide teams with no Cup affiliation. Also, in some cases, Cup regulars have better equipment thus taking away the regulars chance to win and score much needed championship points. Other Cup drivers will run equipment independent of the Cup Series; in recent years, Tony Stewart, Joe Nemechek and Jamie McMurray have raced with Nationwide teams entirely separate from their Sprint Cup ones. While most Buschwhackers cherry-pick which Nationwide Series races to drive in, a few non-rookie Sprint Cup drivers, including Greg Biffle in 2004, Carl Edwards in 2005, and Biffle, Edwards, JJ Yeley, Denny