By DAN GELSTON
AP Sports Writer
DOVER, Del. (AP) — Josh Berry led a dominant outing for JR Motorsports at Dover Motor Speedway and raced to his first NASCAR Xfinity Series victory of the season. Berry had tears in his eyes and hoisted his daughter in the air after he took the checkered flag in the No. 8 Chevrolet for his third career Xfinity win in 39 starts. JR Motorsports put four drivers in the top five on the one-mile concrete track. Justin Allgaier was second, Noah Gragson was fourth and 18-year-old Sam Mayer was fifth. Ty Gibbs interrupted the JR Motorsports run with a third-place finish. Allgaier has nine consecutive top-10 finishes at Dover, including two wins.