Busch led the final two laps, snatching the lead from runner-up Jeb Burton in an overtime shootout to complete a clean sweep of his five Xfinity starts this season.
Busch previously had won this season at Road America, Nashville, Circuit of the Americas and Texas Motor Speedway.
Noah Gragson finished third Saturday, followed by Justin Haley and Ty Dillon in the last Xfinity race on the 1.54-mile oval before a reconfiguration for 2022 (about which Busch also had some strong opinions).
It was the third victory in 14 starts at Atlanta for Busch but his first since Sept. 1, 2013. The two-time Cup Series champion has no further Xfinity races scheduled and has said he intends to retire from racing in NASCAR’s No. 2 national series.
— Kyle Busch (@KyleBusch) July 10, 2021
Busch started from the pole position and led 97 of 164 laps at Atlanta while sweeping both stages of a NASCAR Xfinity Series race for the sixth time in his career.
Austin Cindric remains the points leader after the Atlanta Motor Speedway race. He has 748 points. He’s followed by AJ Allmendinger (674 points), Daniel Hemric (636), Justin Allgaier (607) and Harrison Burton (572).