The loudest cheers for the Daytona 500 this weekend may not come from the speedway grandstands. NBC executives swear they're pulling for Fox during Sunday's race for an unlikely reason. ''We would love to see Fox break our record,'' said Jon Miller, president of programming for NBC Sports and NBCSN. ''A healthy Daytona signals a healthy NASCAR, which is good for everyone.'' ESPN and TNT are out. More...