The Cleveland Plain Dealer reported a loaded .45-caliber handgun was found in the defensive lineman's carry-on luggage.
"We are aware of what transpired with Shaun Rogers," Browns President Mike Holmgren said. "We will continue to gather additional information and until the legal process has taken its course, we will reserve any further comment."
Rogers came to Cleveland in a trade with Detroit two years ago. He spent the first seven years of his NFL career with the Lions and has 35.5 sacks in 125 games.