Bubba Wallace was running near the front at NASCAR’s historic debut at Naval Base Coronado when his race flipped in an instant. Late in Stage 1, the wheel came off between Turns 9 and 10, bringing out a caution and turning a strong afternoon into a steep hole for the No. 23 team.
Wallace had qualified seventh and spent much of the opening stage inside the top five, looking comfortable on Sunday’s 3.4-mile street circuit in San Diego. Then the car slowed, the caution flew and the team was hit with NASCAR’s wheel-detachment penalty: two laps down and two automatic two-race suspensions for crew members.
That punishment matters because Wallace had been one of the fastest cars on the track before the wheel came off. He entered the day with momentum he could build in both the regular-season standings and the playoff picture, but the lost wheel erased much of that advantage in a matter of seconds.
Wallace’s frustration came through immediately over the radio: “There it [Expletive] went. You’ve got to be [Expletive] kidding me.” The sharp reaction fit the moment. A driver who had spent most of Stage 1 inside the top five suddenly had to recover from a penalty that changed the race more than any pass could have.
The source does not say why the wheel came off, and that is the question hanging over the No. 23 camp now. What is clear is that the incident did more than cost track position. It also triggered discipline that will follow the team beyond Sunday, while Wallace’s race continued under the weight of a setback that may have been impossible to fully overcome.

