Shane van Gisbergen paces issue-filled Xfinity Series practice session in Chicago

Zilisch, Sam Mayer, Jack Perkins and Sammy Smith rounded out the top-five, with Austin Hill, Sheldon Creed, Justin Allgaier, Jesse Love and Carson Kvapil completing the top-10. 

Other notable practice results include Atlanta winner Nick Sanchez in 11th, Taylor Gray in 15th, Harrison Burton in 23rd, Jeb Burton in 32nd and Dean Thompson in 33rd. 

Zilisch, Creed and several other drivers encountered issues throughout practice. Zilisch and Christian Eckes suffered major damage after accidents, while engine issues bit the No. 53 of Sage Karam and the No. 42 of Anthony Alfredo. 

Creed spun in practice, while Kris Wright also was involved in an incident. 

Xfinity Series qualifying is next on the CW App. The Loop 110 will go green shortly after 4:30 p.m. ET, with coverage on the CW, MRN and SiriusXM NASCAR Radio.