Daytona 500 postponed, joins Xfinity opener on Monday

(Photo credit: Nigel Cook/News-Journal / USA TODAY NETWORK)
NASCAR officials postponed the Daytona 500 to Monday due to rain at Daytona International Speedway.

The 66th running of The Great American Race will be paired with the season-opening Xfinity Series race on Monday in a first-ever doubleheader at the Daytona Beach, Fla., track.

The Xfinity Series' United Rentals 300, which was rescheduled from Saturday due to rai