Browns cornerback Joe Haden still needs to clearance from the league's concussion protocol. Jeff Gross Jeff Gross/Getty Images

Browns cornerback Joe Haden is still in the league's concussion protocol, head coach Mike Pettine announced Wednesday.

Haden missed Sunday's loss to Denver after suffering the concussion in Week 5 against Baltimore. He'll need to be cleared by an independent neurologist before returning to practice. Haden was also inactive in Week 4 against San Diego with a broken finger.

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Haden hasn't shown the form of a two-time Pro Bowl selection when he has been in the lineup, recording just two passes defensed and no interceptions with 19 tackles. Pierre Desir started in his place and will likely do so again in St. Louis this Sunday if Haden isn't cleared.

Safety Tashaun Gipson was also held out of practice Wednesday with a lingering ankle injury along with linebacker Craig Robertson (ankle) and tight end Rob Housler (hamstring).

Pettine also indicated that sixth-round corner Charles Gaines and running back Glenn Winston will return to practice from short-term injured reserve and the non-football injury list, respectively. Both players must be activated within three weeks or they'll be miss the rest of the season. Winston is eligible to play this week, while Gaines cannot return until Week 9.