Hoffenheim midfielder Boris Vukcevic is in a critical condition after sustaining severe head wounds when his car and a truck collided on Friday, the club said.
The 22-year-old German was airlifted to hospital where he underwent emergency surgery and is now in an artificial coma. "His situation is critical," the club said in a statement.
"We are shocked by the news," said team manager Andreas Muller. "The team, the coach, everyone is shocked. Our thoughts are with his family."
Bayern overcome heartbreak of losing two finals in three seasons by beating Dortmund 2-1
Decision not to send off Bayern Munich defender Dante rankles with upbeat Dortmund boss
Heynckes becomes only the fourth manager to win the European Cup with two different teams
Dortmund striker could soon join German rivals and newly-crowned Champions League winners
Ten years on, the legends speak to FFT
Your questions answered by an A to Z of legends
75% of all TV is Bale
On the road to ruin
Nike CR7 IX for you
FourFourTwo is brought to you by Haymarket Consumer Media & FourFourTwo is part of Haymarket Sport
| International Licensing | © Haymarket Media Group 2010