On this date: 1973 — The American League adopts the designated hitter rule
1970 — The AFL wins its second straight Super Bowl as the Kansas City Chiefs beat the Minnesota Vikings 23-7 behind Len Dawson's superb quarterbacking and Jan Stenerud's three field goals.
1973 — The American League adopts the designated hitter rule.
1981 — Jim Plunkett completes 14 of 18 passes for 261 yards and two touchdowns to lead the Oakland Raiders to 34-27 victory over the San Diego Chargers. The Raiders are the first AFC wild-card team to advance to the Super Bowl.
1984 — The Denver Nuggets beats the San Antonio Spurs 163-155 in the highest scoring regulation-length NBA game.
1987 — Denver's John Elway leads the Broncos to a 23-20 overtime victory over the Cleveland Browns to win the AFC Championship. Elway caps a 15-play, 98-yard march with a 5-yard TD pass to Mark Jackson to tie the game with 37 seconds remaining. Rich Karlis kicks a 33-yard field goal in overtime to give Denver the win.
1992 — Kristi Yamaguchi, runner-up the previous three years, wins her first title in the U.S. Figure Skating Championships. Christopher Bowman, the 1989 U.S. champion, wins the men's title.
1998 — Lleyton Hewitt, an Australian high school student ranked 550th, wins the Australian Men's Hardcourt Championship to become the lowest-ranked player to win an ATP Tour event.
2004 — Detroit allows 100 points for the first time this season, but the Pistons were still able to outlast Dallas 115-102. Detroit has its NBA-record streak of not allowing 100 points snapped at 38 games, including 36 this season.
2009 — Philadelphia, led by Donovan McNabb, eliminates the New York Giants 23-11 to reach the NFC title game for the fifth time in eight seasons. This is the first game in NFL history to finish 23-11.