Daunte Culpepper didn't practice Wednesday, three days after injuring his shoulder.
Sterling Sharpe chat
"Well, worst team EVER? Wow... With Calvin Johnson and his TDs and all these different QBs, including Daunte Culpepper who was pumping gas and not even playing. ... No, they're not the worst team ever."
Marinelli said an MRI exam on Culpepper's shoulder revealed a sprain.
Culpepper stretched with teammates Wednesday, then left the field and had to avoid a blocking sled that a teammate was hitting toward him.
Orlovsky has been out since Nov. 2 with an injured wrist.
"It felt structurally strong. It felt better," he said. "I'm going to miss some throws because of it, but I'm pretty confident I'll be able to go out and play effectively."
Stanton has been sidelined since Nov. 23 with a concussion.
"I feel good now," he said.
Indianapolis, which has six straight victories, is favored to win by more than two touchdowns against Detroit.
Copyright 2008 by The Associated Press