BROOKLYN, Mich. — Ryan Blaney needed a push to pass William Byron on Sunday.
Kyle Busch provided the boost.
With Busch’s help, Blaney took the lead on the final restart, then bobbed and weaved his way around Michigan International Speedway to beat Byron by 0.077 seconds. It was the narrowest victory margin in a NASCAR Cup Series race at this track since electronic scoring began.
Blaney won for the second time this season and sixth overall, capping a big weekend for Team Penske, which won Saturday’s IndyCar race in suburban St. Louis and then this Cup race, not far from Roger Penske’s Detroit roots. Ford also has won seven straight at Michigan.