NBA Record
Apr 1 Boston Celtics captain John Havlicek scores career high 54 points in 134-109 rout of Atlanta Hawks in Game 1 of 1st round Eastern Conference playoffs; hits NBA playoff record 24-of-36 field-goal attempts
Sports History
Apr 1 Despite a final round, 5-3 loss to Montreal, Boston Bruins center Phil Esposito wins his third consecutive NHL scoring title with 130 points from 55 goals and 75 assists in the 78-game season
- Apr 5 NFL adopts jersey numbering system (ie QBs, 1-19)
Sports History
Apr 6 Roberto Clemente Day, Pittsburgh Pirates retire his #21
- Apr 6 Yankee Ron Blomberg becomes 1st designated hitter, he walks
- Apr 7 Doug Walters' best Test Cricket bowling, 5-66 v WI Georgetown
- Apr 9 37th US Masters Tournament, Augusta National GC: Due to weather delays final round is played on Monday with Tommy Aaron winning his only major title, 1 stroke ahead of J. C. Snead
- Apr 10 Kansas City Royals open their new park, Royals Stadium with 12-1 rout of the Texas Rangers; attendance 39,476
- Apr 14 Ireland edges France, 6-4 at Lansdowne Road, Dublin to create a 5-way tie for the Five Nations Rugby Championship; each nation wins their 2 home matches
- Apr 16 77th Boston Marathon: American double; Jon Anderson men's champion in 2:16:03; Jacqueline Hansen wins women's title in 3:05:59
- Apr 27 KC Royals pitcher Steve Busby no-hits Detroit Tigers, 3-0
- Apr 30 Women's tennis groups end disputes over sanctioning tournaments
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions