- Apr 1 Federal Bankruptcy Referee Sidney Volinn declares MLB's Seattle Pilots bankrupt; car dealer Bud Selig buys franchise for $10.8 million and moves club to Milwaukee (Brewers)
- Apr 4 124th Grand National: 15/1 chance Gay Trip wins by 20 lengths, giving Irish jockey Pat Taaffe his second GN winner
- Apr 7 MLB Milwaukee Brewers (former Seattle Pilots) 1st game, lose to Angels 12-0
Sports History
Apr 12 Yankees dedicate plaques to Mickey Mantle & Joe DiMaggio
US Masters Golf
Apr 13 34th US Masters Tournament, Augusta National GC: Billy Casper defeats Gene Littler, 69 to 74 in a Monday 18-hole playoff to win his 3rd major title; last 18-hole playoff at the Masters
- Apr 18 France beats England, 35-13 at Stade Colombes, Paris to earn a share of the Five Nations Rugby Championship with Wales
- Apr 20 74th Boston Marathon: Englishman Ron Hill wins in 2:10:30 (US record): American Sara Mae Berman 1st woman for 2nd straight year in 3:05:07 (unsanctioned)
- Apr 21 Reds clout 7 HRs by 6 batters, Braves counter with 3 HRs, 6 for one team & 9 different batters for two teams, all tie or set records
- Apr 22 NY Met Jerry Grote sets record of 20 put outs by a catcher
Baseball Record
Apr 22 NY Met Tom Seaver strikes out last 10 Padres, for a total of 19
- Apr 22 Senators beat Yankees 2-1 in 18 innings
- Apr 30 Cubs Billy Williams is 1st NLer to play in 1,000 consecutive games