On this day in:
• 1942 9th US Masters Tournament, Augusta National GC: Byron Nelson wins an 18-hole playoff by 1 stroke over runner-up Ben Hogan
• 1949Basketball Association of America Finals: Minneapolis Lakers beat Washington Capitols, 77-56 to take series, 4 games to 2; BAA and National Basketball League merge later that year to create the NBA
• 1954 Milwaukee Braves' Hank Aaron's 1st game
• 195711th NBA Championship: Bost Celtics beat St Louis Hawks, 4 games to 3
• 196933rd US Masters Tournament, Augusta National GC: George Archer wins his only major title, 1 stroke ahead of runners-up Billy Casper, George Knudson, and Tom Weiskopf
• 197034th 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
• 19721st baseball players' strike ends after 13 days
• 1975 39th US Masters Tournament, Augusta National GC: Jack Nicklaus wins his 5th Masters title, 1 stroke ahead of Johnny Miller and Tom Weiskopf; Lee Elder, first African-American to compete in the tournament
• 19761st NBA playoff game for Cleve Cavliers, they lose 100-95 to Wash
• 1978NY Yanks defeat White Sox 4-2 in home opener on Reggie Candy Bar Day
• 1980 44th US Masters Tournament, Augusta National GC: 23 year old Spaniard Seve Ballesteros wins his first Masters, 4 strokes ahead of Jack Newton and Gibby Gilbert
• 1980US and its allies boycott the Summer Olympics in Moscow in protest against Russia's invasion of Afghanistan
• 1986Boston Celtics end season with a 40-1 home win record
• 1986Spanish Grand Prix decided by 0.014 of a second
• 1997 61st US Masters Tournament, Augusta National GC: Tiger Woods wins his first major title, a record 12 strokes ahead of Tom Kite; 4-round total 270 (−18) is tournament record
• 2004 Barry Bonds hits his 661st career home run, passing his godfather Willie Mays on the MLB all-time list
• 2014 Manny Pacquiao defeats Timothy Bradley to regain his WBO welterweight boxing title