Here's where seeding projections stand for the In-Season Challenge after the Cup Series' inaugural race in Mexico City.

Staying out before the stage end, Ryan Preece holds off Ryan Blaney to capture the Stage 1 checkered flag in Mexico City.

Kyle Busch ignited a multi-car wreck when he spun in the No. 8 Richard Childress Racing Chevrolet seven laps into Sunday's Viva Mexico 250.

The Viva Mexico 250 is underway as the Cup Series takes the opening lap in the inaugural race at Autódromo Hermanos Rodríguez.