Sam Mayer holds off Riley Herbst for Xfinity win at Iowa

(Photo credit: Reese Strickland-USA TODAY Sports)

NEWTON, Iowa -- In a race of tire management and hurt feelings, Sam Mayer held off Riley Herbst in overtime to win Saturday's Hy-Vee Perks 250 in the NASCAR Xfinity Series' return to Iowa Speedway after a four-year hiatus.

Mayer's No. 1 JR Motorsports Chevrolet crossed the finish line 0.146 seconds ahead of the No. 98 Stewart-Haas Racing Ford of Herbst, who felt Mayer had