Bubba Wallace was stepping up his challenge against Chris Buescher and Austin Cindric when his "brakes exploded."

Bubba Wallace was hit with a penalty before Sunday's Cup Series race in The Poconos. NASCAR's Cup Series race in The Poconos was scheduled to begin at 2 p.m. E.T. However, heavy storms hit the area earlier on Sunday,

Bubba Wallace fell out of contention during Stage 2 of Sunday’s Cup Series race at Pocono. On Lap 56, his brakes exploded, making his right-front tire go down.