First practice ended early for Corey LaJoie after sustaining significant right-rear damage on the No. 32 Ford after hitting the Turn 3 wall at Phoenix Raceway.

The No. 2 Team Penske Ford of Brad Keselowski received heavy right-side damage after hitting a fence post trying to avoid a stopping car during Daytona 500 second practice.

NASCAR Cup Series champion Kevin Harvick has signed a two-year contract extension with Stewart-Haas Racing through the 2023 season.

NBC Sports' Steve Letarte breaks down the pit crew changes made by Team Penske with Brad Keselowski's No. 2 crew moving over to the No. 12 team of Ryan Blaney.

Chase Elliott blows an engine minutes into the opening practice sessions for the first Round of 8 race at Martinsville Speedway on Saturday morning.

Playoff driver Alex Bowman crashes in Turns 3 and 4 with less than a minute left in Monster Energy Series final practice at the Charlotte Roval.

Martin Truex Jr. misses a shift in final practice at the Charlotte Roval, forcing the No. 19 team to change engines and start at the rear on Sunday.

Jimmie Johnson loses control in Monster Energy NASCAR Cup Series final practice at the Charlotte Roval, hitting the wall in Turn 5.

Playoff driver Denny Hamlin gets loose entering Turn 5 in Monster Energy NASCAR Cup Series opening practice, and he'll start from the rear Sunday.

Denny Hamlin makes hard contact with the wall at Indianapolis Motor Speedway at the end of final practice.

Aric Almirola got into the wall during the final Monster Energy Series practice at Darlington Raceway on Friday resulting in a backup car for the No. 10 team.

Ryan Blaney says his arm is "good" after his power steering failed in practice at Bristol Motor Speedway.