Eric Jones was fastest in the lone practice session for the Camping World Truck Series Lucas Oil 200 at Dover International Speedway.
In morning practice it was reported on Fox Sports 1 that Erik Jones has been fitted for a seat in the No. 18 as a precautionary measure in case Kyle Busch fails to complete the distance for fatigue or pain.
Erik Jones finished second in Friday night's NASCAR Camping World Truck Series race at Charlotte Motor Speedway.
Erik Jones is fastest in Final Practice for the Camping World Truck Series North Carolina Education Lottery 200 at Charlotte Motor Speedway.
This weekend, Erik Jones is back in familiar territory competing in the NASCAR XFINITY Series 3M 250 at Iowa Speedway in Newton.
Erik Jones finished 11th in Friday night's NASCAR Camping World Truck Series race at Kansas Speedway.
Erik Jones won the Keystone Light 21 means 21 Pole Award for the Toyota Tundra 250, setting the qualifying record with a lap of 30.101 seconds, 179.396 mph.
Erik Jones was fast all afternoon in final practice. His top speed of 191.306 mph jumped to the top of the leaderboard in the closing minutes of practice.
In a substitute role for Kyle Busch, Erik Jones logged the quickest 10-lap average in the No. 18 Joe Gibbs Racing Toyota. His top speed of 185.065 mph was the best among 11 drivers who ran at least 10 consecutive laps.
Camping World Truck Series regular Erik Jones led the only practice session for the XFINITY Series Winn Dixie 300 at Talladega Superspeedway.
When Denny Hamlin had a muscle spasm in his neck during the opening laps of the Food City 500, it set into motion a scenario that put Erik Jones in the seat of the No. 11. Jones was not credited with the finish, but he ran most of the race and scored a 26th in his Cup debut.
Camping World Truck Series regular Erik Jones won the 21 Means 21 Pole Award for the Drive to Stop Diabetes 300 with a lap of 15.331 seconds, 125.158 mph.
NASCAR Camping World Truck Series regular Erik Jones won the O'Reilly Auto Parts 300, his first victory in nine NASCAR XFINITY Series races.
Camping World Truck Series regular Erik Jones (No. 4 Toyota Tundra) wins the Coors Light Pole Award for the O'Reilly Auto Parts 300 with a lap of 29.163 seconds, 185.166 mph.