We open our short-form, eight-part series of celebrating John Paul Jr's career in sports cars with veteran IMSA official Mark Raffauf, who watched Jr go from a teenage helper on his father's team to an IMSA champion and master of the fastest, craziest Porsche 935s and GTP machinery the series produced.\nFollow:\xa0@MarshallPruett\xa0\nSubscribe:\xa0https://marshallpruettpodcast.com/subscribe\nJoin our Facebook Group:\xa0https://www.facebook.com/MarshallPruettPodcast