DAYTONA BEACH, Fla. — NASCAR driver Greg Biffle climbed into a bulldozer, pulled a few levers and then dumped a load of dirt onto the ground.

Fireworks exploded in the background.

Biffle earned the honor of breaking ground on a $400 million renovation at Daytona International Speedway on Friday. Biffle and fellow driver Trevor Bayne teamed up to win an obstacle-course race in massive front-end loaders outside the famed track.

U.S. men's soccer pounds GuatemalaSAN DIEGO — Landon Donovan made an impressive return to international soccer.Donovan scored two goals and the United States defeated Guatemala 6-0 Friday night in a friendly match preceding the 2013 CONCACAF Gold Cup.

D-backs honor fallen firefightersPHOENIX — In a moving tribute before the first pitch at the Arizona Diamondbacks-Colorado Rockies game, a firefighters’ bagpipe band played “Amazing Grace” as photos flashed on the giant video screen of the 19 “hotshot” firefighters killed fighting the Yarnell Hill wildfire northwest of Phoenix.