Bowman, the No. 8 seed in the bracket-style tournament, was charging forward with a bit of an advantage, riding on fresher tires than the No. 9-seeded Wallace had. Bowman made contact with Wallace from behind exiting Turn 2 at Lap 70 in the 75-lap affair, spinning Wallace down DuSable Lake Shore Drive.

Bubba Wallace, Alex Bowman collide in Chicago scrap; cooler heads prevail