2020: The NFL officially decided to expand the 12-team playoff format to 14 teams with playoffs expanding for the 1st time since 1990 (when it went from 10 to 12 teams)
2004: NFL owners adopted a rule that would require a 15-yard penalty for “excessive” celebrations
2004: With a 12-1 defeat of the Tampa Bay Devil Rays (in Tokyo, Japan), New York Yankees SP Kevin Brown became just the 2nd to defeat all 30 MLB teams (Al Leiter)
1998: Tampa Bay Devil Rays and Arizona Diamondbacks both played their franchises’ inaugural regular season games
1996: With a defeat of the Phoenix Suns, the San Antonio Spurs tied the 1971-72 Los Angeles Lakers for the winningest month (16-0) in NBA history
1996: The MLB regular season began in March instead of April for the 1st time in history, which A-Rod capped off with a walk-off RBI during his 1st career Opening Day appearance
1976: Cleveland Cavaliers clinched their very 1st Playoff birth in franchise history
1970: US Federal Bankruptcy Court allowed the Seattle Pilots to be sold to a group based in Milwaukee, WI
1968: Seattle’s new AL franchise chose their new nickname, the “Pilots”
1906: Intercollegiate Athletic Association of the United States (later the NCAA) was officially organized, setting standards to amateur sports