Pittsburgh Steelers defensive end Aaron Smith will miss the rest of the NFL season with a torn rotator cuff, but safety Troy Polamalu returned to practice this week. … The Steelers are going for their 12th consecutive win over the Cleveland Browns this week. … The Indianapolis Colts signed Matt Stover to replace kicker Adam Vinatieri , who is out four to eight weeks after knee surgery. … Former Buffalo Bills offensive tackle Langston Walker , cut at the end of training camp, has signed with the Oakland Raiders. … The New England Patriots have signed 40-year-old linebacker Junior Seau . … Jacksonville Jaguars running back Maurice Jones-Drew has complained about being a decoy after the Jags were shutout last week. … First-round pick Michael Crabtree is expected to suit up at receiver for the San Francisco 49ers next week. … Denver Broncos quarterback Kyle Orton has thrown one interception this season. … Reports say the Bills will dump their no-huddle offensive scheme this week against the New York Jets. … Detroit Lions rookie QB Matthew Stafford (knee) could return this week against the Green Bay Packers. … The Dallas Cowboys have signed veteran punt returner Allen Rossum . … Former New York Giants Super Bowl hero WR David Tyree has signed with the Baltimore Ravens. … Former first-round bust Cedric Benson is the NFL's leading rusher with the Cincinnati Bengals. … Packers QB Aaron Rodgers is coming off a career-high 384 passing yards. … Minnesota Vikings QB Brett Favre is on a 5-0 team for the first time in his 19-year NFL career. … Jay Cutler is the first Chicago Bears pivot with a QB rating above 100 for three consecutive games since 1970. … Elvis Dumervil has eight sacks in the Broncos' past four games. … The 0-5 Tennessee Titans are sticking with QB Kerry Collins this week. … The Carolina Panthers run game has gone from third in the NFL a year ago, to 23rd this season. … It is the first time in NFL history that five teams were undefeated after five weeks.