BRISTOL, Tenn. -- Kyle Busch, who has won more races in his first five seasons in NASCAR than anyone on the modern era, has hit a speed bump in his young career.

The 24-year-old native of Las Vegas has amassed 63 wins in Sprint Cup, Nationwide and Campers World Truck series in the past five seasons.

But his ninth-place finish Sunday in the Food City 500 at Bristol Motor Speedway was his first top 10 finish of the 2010 season.

Pearson injured

Larry Pearson, son of three-time NASCAR Sprint Cup champion David Pearson, sustained fractures to his lower left ankle, pelvis and right hand during a frightening crash in a legends race at Bristol.

The 56-year-old Pearson, a two-time Nationwide Series champion, was knocked unconscious after the car of Charlie Glotzbach slammed into the driver's-side door of Pearson's late model stock car in Turn 2 at the high-speed half-mile short track. Emergency workers extricated Pearson by cutting the roll cage of his car.

He remained in a local hospital Sunday after an operation to repair his badly broken ankle and pelvis.

Record run over

Bristol's record of 53 consecutive sellouts came to a crashing halt Sunday.

The Tennessee half-mile oval had packed the 165,000-seat amphitheatre for the past 26 years before Sunday's 500.

Track officials cited a number of issues, leading off with high unemployment in the North Carolina, Virginia and Tennessee tri-state area where Bristol is located. Estimates of Sunday's attendance were in the 115,000 range.