Will Power defends his IndyCar season title starting with Sunday's season-opening St. Petersburg Grand Prix, the Australian's breakthrough after years of near misses having made him hungry for more success. The 34-year-old from Toowoomba was second in the season points chase in 2010, 2011 and 2012 before fading to fourth in 2013, but Power bounced back to win the 2014 crown. "To finally get it, get the monkey off the back, it has given me more motivation this year," Power said. Roger Penske's Chevrolet-powered squad features Power, three-time Indianapolis 500 winner Helio Castroneves, Colombia's Juan Pablo Montoya and Frenchman Simon Pagenaud, who joins after three strong years with Schmidt Peterson. More...