Motor Racing Network will partner with Spire Motorsports as the sponsor of the No. 77 Motor Racing Network Chevrolet Camaro ZL1, driven by Reed Sorenson, for the Monster Energy NASCAR Cup Series Bojangles’ Southern 500 at Darlington Raceway on Labor Day weekend.
Source:: https://www.mrn.com/2019/06/14/2019-darlington-throwback-paint-schemes/

