AVONDALE, Ariz. -- Kyle Busch, aiming for his third consecutive Xfinity Series victory at Phoenix International Raceway, led the first practice on the 1-mile oval Friday.
Busch’s No. 18 Toyota turned a 133.284-mph lap that narrowly beat Joe Gibbs Racing teammate Daniel Suarez (133.259).
Brad Keselowski, Erik Jones and Justin Allgaier rounded out the top five in the first session for Saturday’s race.
Click here to view the speeds from the first Xfinity practice at Phoenix.