Last-minute IMSA Michelin Pilot Challenge call-up for Yardley

It’s been a hectic start to the weekend for New Zealand’s Ryan Yardley, who has made a dash to Wisconsin to compete in this weekend’s IMSA Michelin Pilot Challenge round at Road America. Yardley will debut in the series for Murillo Racing across three races, sharing the No. 56 Mercedes-AMG GT4 with Eric Foss. The cameo …