Posted by ESPN.com's Heather Dinich
"He had a ligament tore away from the bone is what they showed," Friedgen said. "They think it will be a minimum of three weeks."
Friedgen also said Josh Portis will play again.
Turner is No. 2 on the depth chart this season, but No. 1 in the eyes of Maryland fans.
As for how Turner has looked in practice this week?
"He's looked OK," Friedgen said.