Erik Jones will start from the pole in the Xfinity Series race at Phoenix Raceway (3:30 p.m. ET on NBC).
Jones won his 15th career pole with a speed of 133.929 mph around the 1-mile track. It is his third pole of the year.
Byron, Custer and Tifft are among the eight remaining playoff drivers.
Where the rest of the playoff drivers will start:
7th – Daniel Hemric
10th – Justin Allgaier
13th – Elliott Sadler
14th – Brennan Poole
20th – Ryan Reed