Even though Mangini didn't rule Delhomme out, there's a good chance Seneca Wallace will get his first career start against the Ravens.
With Jake Delhomme still unable to take part in practice, it's looking like Seneca Wallace will get his second start for the Browns on Sunday in Baltimore.BEREA, Ohio -- Jake Delhomme rested his ailing right ankle on Wednesday and could miss his second straight game Sunday in Baltimore.
"I don't really have a percentage for you but it gets better each day, which is a good thing," said coach Eric Mangini. "He's doing everything he possibly can. He's here first thing in the morning, here late at night.
"I'm optimistic, I think we're obviously further ahead than where we were. I was optimistic last week, we'll just have to see how it goes."
Delhomme, who was inactive against the Chiefs and stood on the sidelines in his walking boot, was not available in the locker room or on the field during the first 30 minutes of practice open to the media. Even though Mangini didn't rule him out, there's a good chance Seneca Wallace will get his first career start against the Ravens.
"I think even the guys that have been in the division have a tough time with [the Ravens defense]," said Mangini. "I think that one of the difficulties that they're able to create is, they can generate pressure from three [rushing linemen], four and they have a pressure package as well.
"It's not just a function of 'OK, if we handle their pressures and pick them up and get a hat for hat then we'll be able to do the things we want to do.'"
Against the Chiefs, Wallace completed 16 of 31 attempts for 229 yards with one TD and one interception, which was returned 33 yards for a TD.
Harrison, Robiskie idle: Jerome Harrison and Brian Robiskie were among eight players who missed Wednesday's practice because of injuries. Harrison was a surprise scratch with a thigh injury apparently suffered against the Chiefs, and Robiskie walked off the practice field with a hamstring injury.
The extent of Harrison's injury is unknown but Robiskie's is not believed to be serious. The other players -- in addition to Delhomme -- who sat out were Shawn Lauvao (ankle), tight end Evan Moore (concussion), Derrick Roberson, Shaun Rogers (ankle, hip) and Robaire Smith (ankle).
No rush with Moore: Mangini said he doesn't think the Browns lacked caution in sending Moore back into the Chiefs game three plays after he sustained a blow to the head that caused his concussion.
"I don't think it was a function of, 'Forget about what happened, send him back in,'" said Mangini. "Everybody is doing the best they can to make sure the players' safety is first. I know how good [head trainer] Joe [Sheehan] is and how good our doctors are and we are going to work each game to make sure that we don't put a guy in a spot that he shouldn't be in. It's important to us not to do that."
Mangini said Moore has made "tremendous strides" and there's a possibility he can play Sunday.
Kosar's criticism: The Browns took in stride the comments of Bernie Kosar calling out the receivers, specifically for drifting too close to the sideline on their out routes.
"The quarterbacks throw the ball and it's our job to catch it," said Josh Cribbs. "When it's on the sideline we have to go get it. It's our job to stay in bounds. We have to do a better job of staying in bounds. ... It's a matter of practicing it."
Mangini said he respects Kosar, and didn't disagree with his assessment.
"It is a young group, they're going to keep developing," he said. "In year two, you're going to make some mistakes and want some plays back, but they'll work at it and get it corrected. I believe that next time we have that chance, they will do a better job."
A case in point is Robiskie, who failed to keep his feet inbounds twice in the first game but did so in the second.
"Obviously when you make a mistake, you want to come back and get it corrected," said Robiskie. "I think anytime a big play hasn't been made, there's always something you can work on."
Jackson closer: Linebacker D'Qwell Jackson (pectoral injury) said he expects to play Sunday in Baltimore -- his first action since Week 6 of last season.
"But I also have to be smart," he said. "I'll do whatever I can. Hopefully I'm not too sore to go Thursday and then we'll gauge it from there. I won't cheat myself and I won't cheat the guys around me. If I don't feel like I can, I won't jeopardize that and I'll give the other guys a chance to play."
Cleveland Clinic joins concussion study: The Cleveland Clinic and Rawlings will team up to study the causes of concussions and other sports-related head and neck injuries.
The study will include research on protective headwear and accessories used in both baseball and football, measuring the ability of the helmets to minimize the impacts at different levels of force and velocity.