New regulations mean the cars should be faster and the competition more intense, yet most expectations at the season-opening Australian Formula One Grand Prix are for Lewis Hamilton to win another title for Mercedes.
NASCAR driver Dale Earnhardt Jr., who will return to Cup racing in Sunday's Daytona 500 after missing 18 races last season with a concussion, said his doctor told him that no two concussions are alike. He also talked about his wife's preference on his beard.
Dale Earnhardt Jr.: Concussions are like snowflakes
Daniel Suárez is first non-American to win a NASCAR championship
Race of Champions held at Marlins Park
Wide array of race car drivers to take on Marlins Park this weekend