NASCAR stars Kurt Busch and Brad Keselowski were involved in a large wreck during the 48th lap of the Sprint Cup Quaker State 400 at Kentucky Speedway this weekend.

The crash started after Busch, who was coming back into the track from the apron, hit the back of Keselowski's car. The number 2 car then spun down onto the apron before drifting back into the track.

Dave Blaney, Greg Biffle, Paul Menard and Travis Kvapil were among the other drivers whose cars were also involved in the crash.

"Now that didn't work out so good," Busch said over the radio during the TNT broadcast after the race was temporarily halted under a red flag. "The track just threw me right back into him. That's all my fault."

Keselowski was one of the drivers who had a shot at winning the race, sitting in 10th place at the time of the crash. He did return to the race on lap 154, but finished 114 laps behind winner Matt Kenseth.

The defending Sprint Cup champion finished 33rd in the event, and hurt is chance at regaining his title this season. He entered the race in ninth place overall and was looking to win his first race of the season according to the Associated Press.

"I know he didn't intentionally wreck me but it's just one of those things, a chain of events, the way the cars drive." Keselowski said to TNT after being released from the care center. "The track has that really bad bump down there. We all know that. So there's no reason to go down there but he still did."

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