Busch set his top average lap speed of 188.788 mph in the first 20-minute session but Bubba Wallace came close in the second session with a lap at 188.432 mph.<br>Denny Hamlin ended up third-fastest, Ty Gibbs was fourth and Martin Truex Jr. rounded out the top-five.<br>Tyler Reddick was the top non-Toyota driver in practice, coming in sixth overall in his Richard Childress Racing ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/kyle-busch-toyota-cup-practice-michigan/10349815/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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