Travis Pastrana will miss the Race of Champions this weekend at Wembley after picking up an injury during a stunt ahead of the event.
Pastrana, who took in a number of events in the Production World Rally Championship again this season, injured his knee and hip in California on Monday and will now be forced to miss an event he has starred in in recent years.
He will instead be replaced in the Team USA line-up by US Formula Drift champion Tanner Foust.
“I was practicing on a motocross track when I blew out my knee in a corner, and was promptly run over by my fat friend, Tommy,” Pastrana said. “Laying in a heap of dust the first thing, I thought was at least I didn't fall off a golf kart!
“A close second thought was how much I'm going to miss all the crap talking and competitive camaraderie that is unexplainable for anyone who hasn't been a competitor at the Race of Championship.
“I'm bummed that I won't have a chance to race along side Carl Edwards. I was really looking forward to going for the ROC Nations Cup but I'm excited that Tanner is the one to take my place. Very few drivers can hold a candle to his car control and I think his all-round driving background should benefit Team USA. Go Team!”
Foust meanwhile said he was pleased to get the chance to compete in the event for the first time.
“The investigation will reveal I had nothing to do with Travis' injuries and of course I wish him a speedy recovery,” he quipped. “More seriously though, I'm honoured to have this opportunity to represent the USA alongside team-mate Carl Edwards on the world stage racing against guys who are heroes to me.”