Hendrick, Lowe's lock up Johnson with new deals
Three-time defending NASCAR champion Jimmie Johnson has signed a contract extension with Hendrick Motorsports through 2015.
Home improvement chain Lowe's also signed an extension as primary sponsor of Johnson's No. 48 Chevrolet through the 2013 season.
Johnson's extension is a five-year deal and comes on the verge of his record fourth consecutive Cup championship.