Penske Racing has decided it will not re-sign Ryan Newman, who has been with the team since 2000. An official announcement is expected later today.
Joe Gibbs Racing is expected to announce next week it will join Toyota Motorsports beginning next season, sources told ESPN.com.
Kyle Busch, who drives the No. 5 Chevrolet for Hendrick Motorsports and lost his spot on the team to Dale Earnhardt Jr., will drive the No. 18 for Joe Gibbs Racing in 2008, ESPN's Angelique Chengelis reports.
Mark Martin knows there are some who won't believe he is taking next week off until the race weekend at Bristol Motor Speedway arrives.