The Packers are coming off a last-second win over the Chicago Bears, wh ich thrust them back atop the NFC North and the No. 2 seed in the NFC. They've garnered tons of momentum with that victory, which, if you've been paying attention to the Packers this season, is exactly the time they give it all back with a loss.

What just happened? What does it mean? What are the pertinent factors (and, perhaps, tiebreakers) prominently in play as each conference's seven-team bracket begins to crystallize? All will be explained and analyzed up to the point when the postseason field is finalized on Sunday,

The Lions have already beaten the Bears this season, and the rematch will be Week 18. If Detroit can stay within striking distance and win that game, chances are it will be in. The Lions, though, face a tough test against the Rams next Sunday on FOX at 4:25 p.m. ET.

Their playoff hopes may be miniscule, but the Dallas Cowboys (6-6-1) goal for the weekend is to keep the slimmest of hopes alive when they take the field at AT&T Stadium against the Minnesota Vikings (5-8) Sunday night on NBC and Peacock.

USA Today's NFL experts make their picks for a Week 15 showdown between the Dallas Cowboys and Minnesota Vikings

NFL picks, predictions, DFS advice and fantasy football rankings from SportsLine's model and team of Vegas experts

The Kansas City Chiefs and Los Angeles Chargers have released their Thursday injury report ahead of Week 15's game at GEHA Field at Arrowhead Stadium.The Chiefs wore helmets for one of the more strenuous practices of the week on Thursday.

For the TV broadcast maps to determine if any of these games are on in your local market, check out 506sports.com. Here’s the full slate of games this week (all times Central). Thursday Night Football Atlanta Falcons at Tampa Bay Buccaneers,