Pizza Hut on Monday adds a new variety to its Stuffed Crust line--pepperoni and cheese--and several new celebrity endorsers to its ongoing campaign from BBDO
, New York. One TV spot features boxer Peter McNeeley and his trainer, Vinny Vecchione, who jumped in to end Mr. McNeeley's 89-second fight with Mike Tyson last month. Another spot stars country singers Willie Nelson and Waylon Jennings. The chain invested $50 million on its opening campaign for Stuffed Crust, and will spend an additional $25 million to $30 million on the line addition.