Johnny Roten, who served as the crew chief for the No. 13 Motorsports Business Management Cup operation, has been suspended after violating the sport's substance abuse policy.<br>Additionally, two other members have been indefinitely suspended for violating NASCAR's behavioral policy.<br>John Byrd Jr. was the hauler driver for the No. 38 Front Row Motorsports Cup team and&nbsp;Austin Zivich was ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/nascar-crew-members-indefinitely-suspended/6847524/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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