Derrick Rose tore the ACL in his left knee when the Bulls were up by 12 points late in the fourth quarter. | Getty Images

Derrick Rose is helped off the court after injuring his left knee in the final minutes of Game 1 of the Eastern Conference first round playoffs. | John J. Kim~Sun-Times

Derrick Rose of the Bulls drives to the basket in the second quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls aims for the basket in the first quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Bulls coach Tom Thibodeau, right, talks to his players in the first quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Bulls center Joakim Noah is no longer just a high-energy guy; he’s a versatile big man who keeps getting better and better. | Pat Sullivan~AP

Elton Brand of the 76ers falls to the ground after being fouled in the third quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Bulls and 76ers players argue after a play in the third quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Joakim Noah, right, yells after a play in the third quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

The referee signals a three-point basket from Derrick Rose of the Bulls in the fourth quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Evan Turner of the 76ers, right, drives to the net against the Bulls defense in the fourth quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls, left, and teammate Kyle Korver, right, compete for the ball against Lou Williams of the 76ers in the fourth quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Bulls coach Tom Thibodeau walks toward the bench after Derrick Rose's injury in the fourth quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls enters the court for Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls is introduced for Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls looks to pass the ball in the first quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Taj Gibson of the Bulls dunks the ball in the first quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Carlos Boozer of the Bulls tries to grab the ball against the defense of Elton Brand of the 76ers in the second quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Joakim Noah of the Bulls stands by the bench in the third quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Taj Gibson of the Bulls dunks the ball in the first quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls lies on the floor after injuring his left knee in the final minutes of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls is assisted off the court after injuring his left knee in the final minutes of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls lies on the floor after injuring his left knee in the final minutes of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times

Derrick Rose of the Bulls, left, dribbles as Evan Turner of the 76ers defends in the second quarter of Game 1 of the Eastern Conference first round playoffs at the United Center Saturday, April 28, 2012, in Chicago. | John J. Kim~Sun-Times