Brian Till and Calvin Fish recap this season's GTD action, highlighting Winward's tough title defense, a rising Dudu Barrichello emerging to lead Heart of Racing, Turner honoring Matt Dalton after winning and more. #NBCSports #IMSA #PetitLeMans » Subscribe to Motorsports on NBC: youtube.com/motorsportsonnbc?sub_confirmation=1 » Get the latest motorsports news on NBC Sports: nbcsports.com/motors » Watch IMSA on Peacock: peacocktv.smart.link/v82e9dl56 NBC Sports — the home of motorsports — features unparalleled motorsports programming, fueled by the network’s media rights agreements with NASCAR and IMSA. NBC Sports has motor sports coverage spanning NASCAR, Monster Energy AMA Supercross, Pro Motocross Championship, SuperMotocross World Championship, IMSA, and the Dakar Rally. Subscribe to our channel for the latest motors news and highlights! NBC Sports is the home of IMSA, with a six-year partnership beginning in 2019. NBC Sports will present more than...