San Diego missed a chance at making it an NFL-record four victorious road teams in one playoff weekend, losing 35-24 at Pittsburgh on Sunday night.
Baltimore edged Tennessee 13-10 and Arizona routed Carolina 33-13 on Saturday, and Philadelphia knocked off the defending Super Bowl champion New York Giants 23-11 on Sunday.
The Eagles opened as three-point favorites on the road again next Sunday in the NFC championship game at Arizona. The Steelers are favored by five points at home in the AFC title game against the Ravens.
During the weekend of Dec. 25-26, 1971, the Baltimore Colts won 20-3 at Cleveland, Miami edged Kansas City 27-24 in overtime, and Dallas topped Minnesota 20-12. The only home team to win that weekend was San Francisco, which defeated Washington 24-20.
The Cowboys went on to beat the Dolphins 24-3 in the Super Bowl that season at New Orleans' Tulane Stadium.