NASCAR officials penalized the Richard Childress Racing’s No. 21 Chevrolet team Tuesday for a lug-nut infraction from last Saturday’s Xfinity Series race at Talladega Superspeedway.

RELATED: Race results | 2020 Xfinity Series standings

The RCR No. 21 — driven to a sixth-place finish by rookie Anthony Alfredo in the Unhinged 300 — was found with a single lug nut not safely secured in a post-race check. The safety violation (Section 10.9.10.4 in the NASCAR Rule Book) resulted in a $5,000 fine for crew chief Andy Street.

No other post-race penalties were issued from the weekend at the 2.66-mile Alabama track.

Brett Moffitt finished fifth in the Unhinged 300 at Talladega Superspeedway on Saturday.

Moffitt did not add any points to his season total as he has declared for the NASCAR Gander RV & Outdoors Truck Series.

Moffitt started in 20th position. The fourth-year driver has two top-10 finishes in his career.

Moffitt made his career debut at Talladega Superspeedway in Saturday’s race.

The Grimes, Iowa native began the race six spots behind his career mark of 14.1, but finished eight places ahead of his career average of 12.6.

Moffitt raced against 39 other drivers on the way to his fifth-place finish. The race endured six cautions and 22 caution laps. There were 22 lead changes.

Justin Haley brought home the win in the race, and Ross Chastain finished second. Jeb Burton crossed the finish line third, with Austin Cindric securing fourth place. Moffitt rounded out the top five.

After Haley won the first stage, Chase Briscoe drove the No. 98 car to victory in Stage 2.

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Anthony Alfredo finished sixth in the Unhinged 300 at Talladega Superspeedway on Saturday.

The top 10 finish for Alfredo added 40 points to his season total.

Alfredo started in 10th position and led five laps in the race. The first-year driver has collected one top-five and three top-10 finishes in his career.

The Ridgefield, Connecticut native’s starting and finishing positions compared favorably to his career averages, starting six spots higher than his career mark of 16.2 and completing the race three places ahead of his nine career average finish.

Alfredo’s sixth-place finish was against 39 other drivers. The race endured six cautions and 22 caution laps. Prior to the checkered flag there were 22 lead changes.

Justin Haley secured the win in the race, and Ross Chastain followed in second. Jeb Burton crossed the finish line third, Austin Cindric took fourth, and Brett Moffitt grabbed the No. 5 spot.

After Haley won Stage 1, Chase Briscoe drove the No. 98 car to victory in Stage 2.

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AJ Allmendinger finished seventh in the Unhinged 300 at Talladega Superspeedway on Saturday.

The top 10 finish for Allmendinger added 30 points to his season total.

Allmendinger started in 34th position. The sixth-year driver has collected four career victories, with seven top-five finishes and eight results inside the top 10.

The Los Gatos, California native began the race 19 spots behind his career mark of 14.6, but finished three places ahead of his career average of 10.5.

Allmendinger’s seventh-place finish was against 39 other drivers. The race endured six cautions and 22 caution laps. Prior to the checkered flag there were 22 lead changes.

Justin Haley took the checkered flag in the race, and Ross Chastain finished second. Jeb Burton placed third, Austin Cindric brought home fourth, and Brett Moffitt finished off the top five.

After Haley won the first stage, Chase Briscoe drove the No. 98 car to victory in Stage 2.

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Gray Gaulding finished eighth in the Unhinged 300 at Talladega Superspeedway on Saturday.

Gaulding did not add to his season point total.

Gaulding started in 21st position. The fifth-year driver has picked up one top-five and four top-10 finishes in his career.

Gaulding made his career debut at Talladega Superspeedway in Saturday’s race.

The Colonial Heights, Virginia native’s starting and finishing positions compared favorably to his career averages, starting three spots higher than his career mark of 24.5 and completing the race 13 places ahead of his 20.8 career average finish.

Gaulding’s eighth-place finish was against 39 other drivers. The race endured six cautions and 22 caution laps. Prior to the checkered flag there were 22 lead changes.

Justin Haley earned the victory in the race, and Ross Chastain finished second. Jeb Burton placed third, Austin Cindric secured fourth, and Brett Moffitt grabbed the No. 5 spot.

After Haley won the first stage, Chase Briscoe drove the No. 98 car to victory in Stage 2.

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Alex Labbe finished ninth in the Unhinged 300 at Talladega Superspeedway on Saturday.

The top 10 finish for Labbe added 28 points to his season total.

Labbe started in 27th position. The fifth-year driver has three top-10 finishes in his career.

Saturday was Labbe’s second career start at Talladega Superspeedway.

The Victoriaville, Quebec, Canada native began the race one spot behind his career mark of 25.7, but finished 14 places ahead of his career average of 22.6.

Labbe competed against 39 other drivers on the way to his ninth-place finish. The race endured six cautions and 22 caution laps. Prior to the checkered flag there were 22 lead changes.

Justin Haley secured the victory in the race, and Ross Chastain finished second. Jeb Burton crossed the finish line third, Austin Cindric took fourth, and Brett Moffitt grabbed the No. 5 spot.

After Haley won the first stage, Chase Briscoe drove the No. 98 car to the win in Stage 2.

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Aric Almirola finished third in the GEICO 500 at Talladega Superspeedway on Sunday.

Almirola’s top five finish added 34 points to his season total.

Almirola started in 15th position. The 13th-year driver has earned two career victories, with 19 top-five finishes and 65 results inside the top 10.

Victory Lane at Talladega Superspeedway is a familiar place for Almirola, who has one career win at the track. His third-place finish also marks the fourth time he has finished in the top five at Talladega and his eighth top 10.

The Tampa, Florida native’s starting and finishing positions compared favorably to his career averages, starting six spots higher than his career mark of 20.8 and completing the race 19 places ahead of his 21.9 career average finish.

Almirola battled against 40 other drivers on the way to his third-place finish. The race endured eight cautions and 33 caution laps. There were 57 lead changes.

Ryan Blaney earned the checkered flag in the race, followed by Ricky Stenhouse Jr in the No. 2 spot. After Almirola’s third-place finish, Denny Hamlin secured fourth, and Erik Jones rounded out the top five.

After Tyler Reddick won Stage 1, Stenhouse drove the No. 47 car to the win in Stage 2.

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Erik Jones finished fifth in the GEICO 500 at Talladega Superspeedway on Sunday.

Jones’ top five finish added 32 points to his season total.

Jones started in 18th position. The fifth-year driver has earned two career victories, with 26 top-five finishes and 53 results inside the top 10.

The fifth-place result on Monday was the first time Jones has cracked the top 10 at Talladega Superspeedway.

The Byron, Michigan native began the race five spots behind his career mark of 12.8, but finished 13 places ahead of his career average of 17.6.

Jones took on a field of 40 drivers on the way to his fifth-place finish. The race endured eight cautions and 33 caution laps. Prior to the checkered flag there were 57 lead changes.

Ryan Blaney finished first in the race, and Ricky Stenhouse Jr finished second. Aric Almirola placed third, with Denny Hamlin securing fourth place. Jones rounded out the top five.

After Tyler Reddick won the first stage, Stenhouse drove the No. 47 car to victory in Stage 2.

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Chris Buescher finished sixth in the GEICO 500 at Talladega Superspeedway on Sunday.

The top 10 finish for Buescher added 33 points to his season total.

Buescher started in 21st position and led four laps in the race. The sixth-year driver has one career victory, with five top-five finishes and 14 results inside the top 10.

Monday’s race was Buescher’s ninth career start at Talladega Superspeedway.

The Prosper, Texas native’s starting and finishing positions compared favorably to his career averages, starting four spots higher than his career mark of 25 and completing the race 16 places ahead of his 21.9 career average finish.

Buescher took on a field of 40 drivers on the way to his sixth-place finish. The race endured eight cautions and 33 caution laps. There were 57 lead changes.

Ryan Blaney took the checkered flag in the race, and Ricky Stenhouse Jr followed in second. Aric Almirola crossed the finish line third, Denny Hamlin secured fourth, and Erik Jones finished off the top five.

After Tyler Reddick won Stage 1, Stenhouse drove the No. 47 car to the win in Stage 2.

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Alex Bowman finished seventh in the GEICO 500 at Talladega Superspeedway on Sunday.

The top 10 finish for Bowman added 39 points to his season total.

Bowman started in eighth position and led 12 laps in the race, holding the lead a total of four times. The seventh-year driver has earned two career victories, with 12 top-five finishes and 29 results inside the top 10.

In his career at Talladega Superspeedway, Bowman has compiled one top-five finish and his seventh-place result marks the second top 10.

The Tucson, Arizona native’s starting and finishing positions compared favorably to his career averages, starting eight spots higher than his career mark of 16.3 and completing the race 12 places ahead of his 18.8 career average finish.

Bowman’s seventh-place finish was against a field of 40 drivers. The race endured eight cautions and 33 caution laps. Prior to the checkered flag there were 57 lead changes.

Ryan Blaney took the checkered flag in the race, and Ricky Stenhouse Jr finished second. Aric Almirola placed third, Denny Hamlin brought home fourth, and Erik Jones closed out the top five.

After Tyler Reddick won the first stage, Stenhouse drove the No. 47 car to victory in Stage 2.

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