2013, with options for further years. Other changes were Kasey Kahne who joined the Red Bull Racing Team, after leaving Richard Petty Motorsports in 2010, and Marcos Ambrose who left JTG Daugherty Racing to drive for Richard Petty Motorsports in 2011, as a replacement for Kahne. Also, Bobby Labonte replaced Ambrose at JTG Daugherty Racing, and Bill Elliott, who moved from Wood Brothers Racing to Phoenix Racing. Kevin Conway, the 2010 NASCAR Rookie of the Year in the Sprint Cup Series, also made a change by moving to NEMCO Motorsports. Entered the series For the 2011 season, Trevor Bayne, who placed seventh in the 2010 NASCAR Nationwide Series season, entered the series driving for Wood Brothers Racing in 17 scheduled races. Another driver, Brian Keselowski also entered the series, after qualifying for the 2011 Daytona 500 for the K-Automotive Motorsports team. Exited the series Some drivers left the series, such as Elliott Sadler who left Richard Petty Motorsports to drive for Kevin Harvick Incorporated in the Camping World Truck Series and Nationwide Series. Sam Hornish Jr. also exited the series and moved to the Nationwide Series to participate in ten races, after new sponsorship for his Sprint Cup Series car could not be found. After the final race of the 2010 season, Scott Speed exited the series after Red Bull Racing Team dismissed him to make room for Kahne. The change resulted in Speed filing a lawsuit against the team for several reasons. Mid-season changes During July 2011, Max Q Motorsports announced that Scott Speed signed a three race contract with the team to race at Indianapolis Motor Speedway, Watkins Glen International and Pocono Raceway. Following the announcement, Speed commented, "I am excited to get back to the track. Max Q Motorsports seems to have a good operation and a great group of guys. Ford has a great engine package, so I'm hopeful that we can get the ball rolling quickly and be competitive out the gate. " Rookie entries At the beginning of the season, two drivers announced plans to participate in the 2011 Rookie of the Year standings. The drivers were Andy Lally driving for Kevin Buckler's TRG Motorsports, and Brian Keselowski, moving his family-operated K-Automotive Motorsports team up from the Nationwide Series. Trevor Bayne, who was running half the season with the Wood Brothers, did not participate in the standings after deciding to participate for the Nationwide