That's what I thought also, so I went snooping. Found this on Jayski's under the "team news" section:

Yeley to the #00 at Martinsville? hearing that J.J. Yeley could be running the #00 Michael Waltrip Racing Toyota next week at Martinsville Speedway.(10-10-2008)


Red Rocks Café on the #00 at Charlotte: Michael Waltrip Racing announced that Red Rocks Cafe is partnering with the racing organization to be an associate sponsor on the #00 Champion Mortgage Toyota driven by AJ Allmendinger in the Bank of America 500 at Lowe's Motor Speedway on Saturday night. Red Rocks Café is a North Carolina based restaurant with two locations at Southpark in the Charlotte area at Strawberry Hill Shopping Center and Birkdale Village in Huntersville.(MWR PR)(10-10-2008) Comment here