IndyCar Series drivers Marco Andretti, left, and Tony Kanaan talk as they wait to practice for the Meijer Indy 300 auto race at the Kentucky...

Scott Dixon, front, of New Zealand, leads Graham Rahal and Tony Kanaan, rear, of Brazil, into the first turn during the 93rd running of the Indianapolis 500 auto...

Tony Kanaan, of Brazil, crashes into the wall during the 93rd running of the Indianapolis 500 auto race...

Tony Kanaan, left, of Brazil, Dario Franchitti, center, of Scotland, and Scott Dixon, of New Zealand, talks before...

Race driver Tony Kanaan, left, of Brazil, Dario Franchitti, center, of Scotland, and Danica Patrick compare models of their cars...

The cars of Tony Kanaan, left, of Brazil, and Sarah Fisher collide during the 92nd running of the Indianapolis 500 auto...

Dixon can look to his racing peers like Tony Kanaan (above) as examples of new fathers who may have slowed on the track but still climbed...

Tony Kanaan, right, of Brazil, talks with teammate Danica Patrick during practice on the final day of qualifications...

IRL Driver Tony Kanaan Saturday April 25, 2009, in Kansas City, Kan

...April 19, 2009, in Long Beach, Calif. Franchitti won the race, followed by Will Power and Tony Kanaan placing third. (AP Photo/Blair Godbout

Brazil's Tony Kanaan (11) passes Milka Duno, from Venezuela, after she crashed during the Indy Series GAINSCO Indy 300...

...series champion Scott Dixon, of New Zealand; the 2007 champion, Dario Franchitti, of Scotland; 2004 champion Tony Kanaan, of Brazil; and 2005 champion Dan Wheldon, of England. (AP Photo/Wilfredo Lee

Tony Kanaan, left, of Brazil, talks about the track with teammate Marco Andretti, right, following practice laps for...

Teammates, from left, Danica Patrick, Tony Kanaan, of Brazil, and Marco Andretti chat during the traditional drivers meeting for Sunday's Indianapolis 500...

Drivers of Andretti Green Racing, from left, Danica Patrick of the U.S., Tony Kanaan of Brazil, Marco Andretti of the U.S., Hideki Muto of Japan, relax before the morning...