Wide receiver Marlon Brown (neck), nose tackle Terrence Cody (sprained left knee), center Ryan Jensen (foot surgery), running back Shaun Draughn (high-ankle sprain) and rush linebacker Pernell McPhee
(knee) didn't practice.
Offensive line adjusting
The biggest change to the Ravens' offensive line happened after Super Bowl XLVII when six-time Pro Bowl center Matt Birk retired.
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The Ravens have been getting accustomed to new center Gino Gradkowski, who's still learning on the job and building chemistry with his teammates through three games.
"It's just going to be a work in progress as far as Gino and us coming together and working together with the calls," Pro Bowl offensive guard Marshal Yanda said. "Gino isn't going to be Matt. Obviously, Matt was playing for 15 years and he could make calls with his eyes blindfolded.
"So, we're going to give Gino a little bit of slack obviously because it's his second year. I think back when I was in my second year, things coming at you pretty fast. He's making all the calls. I think he's doing a great job. I think he's got a great attitude. He works hard every day and I think he's just going to keep getting better."
¿The Ravens cut linebacker Brandon Copeland (Gilman) from the practice squad. ... The Ravens brought in former Dallas Cowboys safety Eric Frampton for a visit Tuesday, according to a league source. Frampton, 29, wasn't immediately signed to a contract. Frampton was recently removed from the Cowboys' injured reserve list when they reached an injury settlement with him for a groin injury. ... Among the key Bills players who didn't practice: defensive end Mario Williams (ankle), wide receiver Stevie Johnson (hamstring), cornerback Leodis McKelvin (hamstring) and defensive tackle Kyle Williams (Achilles). Free safety Jairus Byrd (foot) and defensive tackle Marcell Dareus (ankle) were limited.