ST. PETERSBURG, Fla. (AP) — Michael Andretti was tanned and thinner when he made his way from his yacht to the starting grid for IndyCar’s season-opening race. He was also relaxed.

He showed up in St. Pete and was seen earlier this weekend wearing shorts, a T-shirt and flip flops ... His father, 1978 F1 champion Mario Andretti, will be an ambassador for the Cadillac ...

He showed up in St. Pete and was seen earlier in the weekend wearing shorts, a T-shirt and flip-flops ... His father, 1978 F1 champion Mario Andretti, will be an ambassador for the Cadillac ...