Pole-sitter Brad Keselowski dominated to win Stage 1 of the Pure Michigan 400 at Michigan International Speedway.
It is the fourth stage win of the year for the Michigan native and gives him 14 playoff points on the year.
Keselowski led all but four laps in the stage. He gave the lead up during the first round of green flag pit stops, allowing Erik Jones to lead.
There were no cautions in the stage.
Busch will restart from the end of the longest line in Stage 2 for pitting when pit road was closed.