FILE - In this June 7, 2013, photo, Michael Andretti, left, his father, Mario, center, and son, Marco, right, pose for a group photo following a news conference at Texas Motor Speedway in Fort Worth, Texas. Marco Andretti made the decision at the start of this year to step away from full-time racing and essentially end three generations of the most famous family in motorsports competing at the highest level. (AP Photo/Tim Sharp, File)

FILE - In this June 7, 2013, photo, Michael Andretti, left, and his father, Mario Andretti, pose for a photo following a news conference at Texas Motor Speedway in Fort Worth, Texas, June 7, 2013. Mario says Michael has filed paperwork with the FIA to start a new Formula One team. Andretti Autosport declined to comment on Mario's claim. Michael unsuccessfully tried to purchase an F1 team last year. (AP Photo/Tim Sharp, File)