Final XFINITY practice results: Austin Dillon fastest at Chicagoland

Austin Dillon had reason to smile after posting the fastest lap in the final practice session for Saturday night's XFINITY Series race at Chicagoland Speedway.

Jeff Zelevansky/NASCAR via Getty Images

Austin Dillon turned the fastest lap in Friday’s final XFINITY Series practice for Saturday night’s Owens Corning Atticat 300 at Chicagoland Speedway.

Check out all the results from Friday’s final practice here: