Philip Rivers threw two touchdown passes and the Chargers' defense added two late scores on Chiefs' turnovers, as San Diego routed visiting Kansas City, 31-13, on Thursday night.
Alex Smith completed 18 of 19 pass attempts for 232 yards and three touchdowns, and the San Francisco 49ers beat the Arizona Cardinals, 24-3, in Arizona on Monday night.
Doug Martin caught one touchdown and ran for another score as the Tampa Bay Buccaneers beat the Minnesota Vikings, 36-17, in Minneapolis on Thursday night.
With the NFL approaching the halfway point of the 2012 season, division races are beginning to take shape, as teams anticipate the second half of their schedule. Here's a preview of this week's action:
Brian Urlacher and D.J. Moore each collected turnovers to stifle potential second-half touchdown drives, and the Chicago Bears beat the Detroit Lions, 13-7, in Chicago on Monday night.
It's been a pretty rough year for the New Orleans Saints. Their head coach, Sean Payton, was suspended for the season for his role in the bounty-gate scandal and the team that went 13-3 in 2011 started the 2012 campaign 0-4.