NASCAR announced practice holds for 11 Cup teams Saturday at Auto Club Speedway for inspection violations.
The No. 51 of Timmy Hill will be held 15 minutes in the first practice session (12:35 - 1:25 p.m. ET) for being late to qualifying inspection.
Nine teams will be held 15 minutes in the final practice (3:30-4:20 p.m. ET) for failing qualifying inspection twice on Friday.
The cars being held include: Chase Elliott, Aric Almirola, Denny Hamlin, Clint Bowyer, William Byron, AJ Allmendinger, Jimmie Johnson, Cole Whitt and Alex Bowman.
Michael McDowell will also be held 15 minutes in final practice for an inspection violation.
Thirteen teams failed to get through qualifying inspection on Friday, preventing them from making a qualifying attempt. They will all start from the rear on Sunday.