National Football League

Matt Ryan threw for 279 yards and four touchdown passes, and the Atlanta Falcons beat the Detroit Lions, 31-18, on Saturday night in Detroit to clinch home-field advantage throughout the NFC playoffs.

Chris Johnson ran for 122 yards, including a 94-yard touchdown in the second quarter, and the Tennessee Titans held on to beat the New York Jets, 14-10, in Nashville on Monday night.

Three weeks remain in the 2012 NFL season. Four more teams can clinch a postseason berth this week. Here's a preview of this week's games:

The Kansas City Chiefs won despite a most difficult weekend, and four teams clinched playoff spots. Here's a recap of all of Sunday's games:

Several teams can clinch playoff spots this week, as the NFL enters the stretch run of the 2012 season. Here's a preview of this week's games:

Buffalo took advantage of three Miami turnovers, and the Bills beat the Dolphins, 19-14, in Buffalo on Thursday night.