KANSAS CITY (12-5) at New England (12-4)

3:35 p.m. Saturday • Ch. 4 • Line: Patriots by 4½

The skinny: The teams are meeting in the postseason for the first time. ... The victory at Houston last weekend was the Chiefs' first playoff win since beating the Houston Oilers in the divisional round in 1994.

Notes: Kansas City has won 11 consecutive games, the longest streak in team history and the longest active streak in the league. The Chiefs are the first NFL team to have a 10-game winning streak and a five-game losing streak in the same season. .... QB Alex Smith has 10 TDs and just one INT in four career playoff games. He beat the Patriots in his only career start against them in the teams' last meeting, going 20-for-26 for 248 yards with three TDs and no INTs. ... Jeremy Maclin led the Chiefs with 87 catches in the regular season, but his status was uncertain because of sprained ankle. ... The Patriots are tied for fourth in NFL history with 11 trips to the AFC Championship Game. They would clinch a fifth consecutive appearance with a win over the Chiefs, and tie Oakland (1973-77) for the most in a row. ... With 22 postseason victories, Bill Belichick has the most in NFL history. ... Tom Brady holds the league career marks in playoff yards passing (7,345), TDs (53), completions (683) and attempts (1,085). Brady is 21-8 in the playoffs. ... TE Rob Gronkowski led the Patriots with 11 TD catches during regular season and is the only TE in NFL history with five career 10-TD seasons. He has 37 catches for 527 yards and six TDs in eight career playoff games, and needs one TD catch to tie Dave Casper and Vernon Davis for most by a TE in postseason history. ... WR Julian Edelman likely will return after missing two months because of a broken foot suffered against Giants in Week 10. ... LB Chandler Jones was a Pro Bowl selection but was admitted to a hospital Sunday and released later that day after an unspecified emergency that also involved Foxborough police. He has not missed practice or any team meetings.

Green Bay (11-6) at Arizona (13-3)

7:15 p.m. Saturday • Ch. 11 • Line: Cardinals by 6½

The skinny: Arizona beat Green Bay 51-45 in a 2009 wild-card game, the highest-scoring playoff game in NFL history. ... The Packers-Cardinals series is the second oldest in history, dating to 1921, trailing only the Bears-Packers.

Notes: Arizona and Green Bay are the only 2015 teams with three players to have at least six TD catches apiece. ... Packers LB Clay Matthews has 10 career playoff sacks, Cardinals DE Dwight Freeney has nine. ... In a December game vs. Arizona, the Packers didn't have one starting OT (David Bahktiari) and lost other one (Bryan Bulaga) during the game because of injuries. Both are expected to play Saturday. ... Green Bay's 30 playoff appearances are second only to the Giants' 32. ... Green Bay LB Julius Peppers leads active NFL players with 136 career sacks. ... The Cardinals never had a playoff bye before this season. ... Arizona's Carson Palmer is the only one of the eight QBs on the playoff teams without a playoff victory. ... The Cardinals set franchise records for yards (6,533), points (489), TDs (58). ... Palmer set franchise records for yards passing (4,671) and TD passes (35). ... Palmer is 25-6 in his past 31 starts. ... Larry Fitzgerald's 109 catches broke the franchise mark he set in 2005. ... Arizona RB David Johnson is the fourth rookie in NFL history with at least 500 yards rushing, 400 yards receiving and 13 TDs in same season.