Data: San Diego Chargers at New England Patriots, 3 p.m., KDKA.

Chargers: QB Philip Rivers (sprained MCL) is questionable. Billy Volek would start if Rivers is ruled out. ... RB LaDainian Tomlinson ran for a career postseason-best 123 yards in divisional round loss to Patriots last season. ... WR Chris Chambers is averaging 20.9 yards per catch (nine receptions) in playoffs. ... Forced NFL-best 48 turnovers in regular season.

Patriots: Have won 12 of 14 in series, including 38-14 win in Week 2. ... Coach Bill Belichick has second-best postseason winning percentage (.824, 14-3), behind Vince Lombardi (.900, 9-1). ... NFL MVP Tom Brady has never lost at home in postseason (7-0), throwing for 1,569 yards with 11 TDs and 93.0 passer rating. ... WR Wes Welker (112 receptions) has 20 catches in his past two games. ... Patriots have scored at least 20 points in 23 consecutive games.

Data: New York Giants at Green Bay Packers, 6:30 p.m., WPGH.

Giants: Early weather forecasts call for high of 3 degrees, but that will be hours before kickoff. ... Teams meet in playoffs for first time since 1962 NFL championship game (Packers, 16-7). ... Last road loss was Week 1 at Dallas. ... QB Eli Manning led NFL in turnovers (20 INTs, 7 fumbles lost) but has none in two playoff wins. ... During regular season, New York led NFL with 53 sacks, while Green Bay allowed only 19.

Packers: At home in postseason, Packers are 15-2. ... QB Brett Favre is second in playoff history with 5,075 yards passing and has thrown a TD pass in 17 consecutive postseason games. ... RB Ryan Grant is coming off 201-yard effort -- seventh-highest in playoff history. ... K Mason Crosby led NFL in points (141), but was just 13 of 19 (68.4 percent) on FGs at home this season.