Pistons scrimmage in Ann Arbor

Blake Griffin heads for the basket during the Pistons' open practice.

Pistons Bruce Brown, left, and Reggie Hearn react to a 3-point shot during open practice.

Detroit Pistons fans cheer during open practice.

Bruce Brown, right, tries to pass the ball during open practice.

Andre Drummond hits a free throw during open practice.

Blake Griffin cheers during an open practice with Andre Drummond.

Andre Drummond shares a moment with Blake Griffin during an open practice.

The Detroit Pistons cheerleaders perform during halftime.

Blake Griffin, left, tries to defend Ish Smith.

The Detroit Pistons cheerleaders perform during a halftime show.

Stanley Johnson, right, hits the shot over defender Zaza Pachulia.

Luke Kennard heads toward mid-court during open practice.

Detroit Pistons mascot Hooper has fun with a young fan.

Blake Griffen, left, ries to defend Ish Smith during open practice.

Reggie Bullock, right, passes the ball around defender Jose Calderon.

Blake Griffin battles under the basket during open practice.

Pistons are shown on the big screen during open practice at Crisler Center.

Andre Drummond, right, guards Johnny Hamilton.

Glenn Robinson III hits the jumper during an open practice.

Reggie Jackson, right, tries to get by defender Ish Smith.

Blake Griffin swings from the rim after making a slam dunk.

A large crowd filled Crisler Center in Ann Arbor on Saturday.

Bruce Brown hits the easy bucket during open practice.

Detroit Pistons mascot Hooper gets the crowd pumped.

Blake Griffin, right, battles for the ball against Johnny Hamilton.