The 24-year-old Gragson from Las Vegas, Nevada, led a race-high 43 of 90 laps, including the final 21, to record his third Xfinity victory of 2022 at the Tricky Triangle.
The 20-year-old Smith from Talking Rock, Georgia, led all but 11 of 60 laps en route to his second victory of the 2022 Truck season at the Tricky Triangle.
Christopher Bell passed Chase Elliott with 42 laps to go and pulled away to win at New Hampshire, taking his first win of the season and clinching a playoff spot.
The 27-year-old native from Norman, Oklahoma, became the 14th different competitor to secure a spot for the 2022 Cup Series Playoffs by winning at the Magic Mile.
The 28-year-old Hill from Winston, Georgia, led a race-high 73 of 163-scheduled laps en route to his second career victory in the Xfinity circuit at his home track.
Joey Logano, driver of the No. 22 Shell/Pennzoil Ford Mustang Dark Horse, will be making his 500th career NASCAR Cup Series start with Team Penske this weekend at Charlotte Motor Speedway.
Christian Eckes has been on the brink of returning to victory lane as the NASCAR CRAFTSMAN Trucks Series (NCTS) Chase enters round three on Friday at Charlotte Motor Speedway (CMS).