Chiefs linebacker Derrick Johnson suffered a complete tear of his left Achilles tendon in the second quarter of the team's 21-13 win over the Oakland Raiders on Thursday night.
Veteran LB Jerod Mayo has been placed on injured reserve by the Patriots with a shoulder injury, according to a league source.
Cowboys linebacker Sean Lee is likely to miss out on a $2 million raise after being listed as inactive for the final regular-season game.
Aldon Smith, who in September pleaded not guilty to hit-and-run, drunken driving and vandalism, will be banned by the NFL for one year.
The father and son were driving to attend a football game featuring Keith Joseph Jr.'s former Pascagoula High School team.
Luke Kuechly has signed a five-year contract extension with the Carolina Panthers through the 2021 season, the team announced Thursday.
