Kaulig Racing Has Unlocked the Best Version of AJ Allmendinger At 39, The Dinger is happiest doing whatever makes sense for Matt Kaulig and Chris Rice remade here. For AJ Allmendinger, that renaissance with Kaulig Racing in the NASCAR Xfinity Series has come full circle at the Mid-Ohio Sports Car Course. It looked like his time as a full-time driver had come to a close by 2019 when Allmendinger agreed to join the team in a part-time capacity around his broadcasting duties with NBC Sports. It was just a five-race, low pressure agreement for the still 37-year-old to keep his skills sharp, while remaining current within a discipline he was covering behind the microphone.