Byron takes a shot at Kyle Busch under caution

William Byron was unhappy with Kyle Busch after early race contact at Watkins Glen and showed his displeasure under caution. ---------- Subscribe to NASCAR on YouTube: Visit for the latest news: Shop for your favorite NASCAR gear, diecasts and more: Download the NASCAR Mobile App: Weekend schedule for on-track action: ---------- Play every weekend! ---------- NASCAR Fantasy Live: Props Challenge: ---------- NASCAR on Social Media ---------- Twitter: Facebook: Instagram: Snapchat: GIPHY:

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