With the monotony of Indianapolis’ annual contention for the AFC South stifled by Peyton Manning’s injury, Houston and Tennessee will battle for the division lead Sunday as we approach the season’s midpoint.

NFL teams typically make last-minute moves to fill roster needs created by injuries. Here are Saturday’s transactions.

Free-agent DT Shaun Smith received a four-game suspension for violating the NFL’s steroids policy, a league source told NFL Network’s Jason La Canfora.

Defensive tackle Leonard Louis was traded to the Carolina Panthers for an undisclosed draft pick, Browns coach Eric Mangini revealed at his Tuesday morning press conference.

The Lions are officially calling WR Calvin Johnson’s right thumb injury a sprain, but it was enough to keep him from participating in full drills Tuesday at training camp.