The announcement means the team owned by Dale Earnhardt Jr. will remain a four-car operation. The team will also field a fifth part-time car.
Details on Reddick’s sponsorship, crew chief and car number will be announced later.
This year has seen him drive part-time in the Xfinity Series in Chip Ganassi Racing’s No. 42 Chevrolet, splitting time with Kyle Larson.
A three-time winner in the Camping World Truck Series, Reddick’s part-time Xfinity effort has seen him earn one top five (Iowa I) and three tops 10s in 14 starts.
“This is an amazing opportunity for me,” Reddick said in a press release. “Having the chance to race full-time with an organization like JR Motorsports is something I’ve worked toward my entire life. It’s a thrill to be joining such an accomplished group of teammates in going after a championship next year.”
Before joining Ganassi this season, Reddick competed for Brad Keselowski Racing in the Truck Series for three years in 63 starts. His three wins came at Daytona, Dover and Las Vegas.
“Tyler is a very talented racecar driver and someone we’ve enjoyed watching over the years,” said Kelley Earnhardt Miller, general manager of JR Motorsports in a press release. “We’ve seen him make a lot of strides in the short time he’s been in the Xfinity Series. He’s a strong complement to our driver lineup next season, and we’re confident that with consistent seat time he’ll find additional success at this level.”
Reddick follows Byron, who has three wins through 25 races this season.