NASCAR Cup Series Round of 8 Playoffs headline NBC motorsports coverage this week

NBC Sports‘ live motorsports coverage this week is headlined by two major events: the opening Round of 8 NASCAR Cup Series Playoff race from Las Vegas Motor Speedway, beginning this Sunday at 5:30 p.m. ET on USA Network, and IMSA‘s famed Petit Le Mans race from Michelin Raceway Road Atlanta, beginning this Saturday at Noon […]