"We'll see tomorrow morning," Mangini said about Cribbs' status for Sunday's road game against the Jacksonville Jaguars. "We'd like to push it as far as we can. ... We'll decide then."
Mangini also said starting linebacker Scott Fujita, who injured a left knee ligament in the loss, is out of Sunday's game. Fujita, who signed a free-agent contract with the Browns in March, has been one of the team's top defenders this season.
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"I'm optimistic with (Adams)," Mangini said.
Cornerback Sheldon Brown (shoulder) and offensive linemen Floyd Womack (knee) and Eric Steinbach (calf) returned to practice Friday after missing two days.
"Each day, they've gotten a little better," Mangini said.
The Associated Press contributed to this report.