Motor Sports

The 20-year-old driver has competed in three races this season and has been the highest finishing Roush Fenway Racing Ford Mustang in each of those races. Buescher finished seventh at Bristol, 17th at Texas and 12th at Darlington Raceway. The No. 16 team brings chassis RK-747 to the track for the second time this season. This chassis last drove to a 17th-place finish at TMS in April, with Buescher behind the wheel.-Roush Fenway Racing

Last May he raced at the 1.5-mile track, finishing 24th in just his fourth NNS start overall. For the second time this season, the No. 60 team brings Chassis RK-740 to the track. This chassis last raced to a 10th-place finish at Las Vegas Motor Speedway in March. Pastrana remains 15th in the NNS point standings.-Roush Fenway Racing

Annett was medically cleared today after suffering a broken and dislocated sternum after an accident in the season-opening Nationwide Series event at Daytona. He underwent surgery for his injuries and was sidelined for three months to allow his injuries to heal. Medical doctors, along with NASCAR officials, determined he was cleared to drive in the upcoming NNS race at Charlotte following an MRI on Monday afternoon.-Breaking Limits

She started 40th and finished 30th in May 2012 at the 1.5-mile oval. Patrick competed in three NASCAR Nationwide Series races at Charlotte and scored two top-15 finishes. Last week, she started seventh and finished ninth in the non-points Sprint Showdown. Patrick then won the Sprint Fan Vote, which made her eligible for the Sprint All-Star Race. She started 22nd and finished 20th in the 90-lap exhibition race.-True Speed Communication

Almirola and team won the pole in last year's 600-mile event and finished 16th in his Charlotte (N.C.) Motor Speedway debut. In just his second start at the 1.5-mile track, Almirola started 15th and drove to the 12th position. The No. 43 team has prepared chassis No. 848 for the Coca-Cola 600. Almirola drove the chassis at Kansas Speedway in April where he started eighth and finished sixth.-Breaking Limits

Ambrose has eight starts in point races at Charlotte. He tallied two top-10 finishes and a best finish of fifth with Richard Petty Motorsports in 2011. In last season's Coca-Cola 600, a broken wheel hub ended the team's hopes of finishing up front.-Breaking Limits

Saturday's History 300 marks Armstrong's first Nationwide Series appearance at Charlotte Motor Speedway and his third-career Nationwide Series start. The Indiana native has one NASCAR Camping World Truck Series start to his credit at the 1.5-mile facility, starting 24th and finishing 13th in May 2012.-Richard Childress Racing