Richard Petty Motorsports announced today that Marcos Ambrose will drive the team’s No. 9 car in 2011, replacing the departing Kasey Kahne, who is leaving to drive for Red Bull Racing in 2011 while he waits for a seat to open up at Hendrick Motorsports.
AJ Allmendinger has signed a multi-year deal to stay with Richard Petty Motorsports behind the wheel of the No. 43 Ford. A formal announcement is expected Friday at Watkins Glen International.