On this date: 1973 — Miami Dolphins become the only undefeated team in NFL history
1943 — Montreal's Alex Smart scores three goals in his first NHL game and leads the Canadiens to a 5-1 victory over the Chicago Black Hawks.
1962 — Margaret Smith wins her third straight Australian Open with a 6-0, 6-2 victory over Jan Lehane.
1968 — The Green Bay Packers win their second straight Super Bowl. The game draws the first $3 million gate in football history. Bart Starr, the game's MVP, completes 13 of 24 passes for 202-yards.
1973 — The Miami Dolphins, who went 14-0 in the regular season and won two playoff games, beat the Washington Redskins 14-7 in the Super Bowl to become the only undefeated team in NFL history.
1990 — Joe Montana sets an NFL record when he tosses his 30th and 31st career postseason touchdown passes as the San Francisco 49ers beat the Los Angeles Rams 30-3 in the NFC championship game. Terry Bradshaw had thrown 30.
1990 — John Elway passes for 385 yards and three touchdowns as the Denver Broncos advance to their fourth Super Bowl with a 37-21 victory over the Cleveland Browns in the AFC Championship.
2000 — Jock Callander of the Cleveland Lumberjacks sets an IHL scoring record during the team's 5-4 victory over Houston. Callander's goal gives him 1,383 career points to break the 30-year-old record previously held by Len Thornson.
2001 — Led by Kerry Collins' five touchdown passes, the New York Giants reach their first Super Bowl in a decade with a 41-0 romp past the hapless Minnesota Vikings — the biggest rout in NFC championship history.
2003 — Pat Summitt becomes the first women's college basketball coach to win 800 Division I games when her Tennessee Lady Vols beat DePaul 76-57.
2006 — Johnny Weir wins his third straight title at the U.S. Figure Skating Championships and Sasha Cohen takes the women's division.
2007 — Julia Mancuso and Lindsey Kildow capture the top two places in a World Cup super-combi and Resi Stiegler just misses making it an American sweep in Altenmarkt-Zauchensee, Austria. The 1-2-4 finish is a first for American women in a World Cup alpine skiing event.