RULES June 13, 2021 NASCAR Xfinity Series: Alsco Uniforms 250 | EXTENDED HIGHLIGHTS | 6/12/21 | Motorsports on NBCKyle Busch led 94 of 171 laps and pulled away on a restart in overtime to outlast Justin Allgaier at Texas Motor Speedway and earn his 99th career Xfinity Series win — and his second in as many starts this…