1st Willie Mays signs a 2-year contract with the Giants for $165,000 per year.
6th At Mesa, AZ, the A’s and Brewers test Charlie Finley’s idea of 3-ball walks. The A’s win 13–9 in a game featuring 19 free passes, essentially ending the experiment.
12th Cubs iron-man C Randy Hundley suffers a severely sprained right knee. He will play only 9 games all season before submitting to surgery.
15th Bernice Gera, a 39-year-old New York housewife, files suit against baseball, claiming violation of her civil rights. Mrs. Gera had completed an umpire school and signed a contract to work in the New York-Pennsylvania League, but her contract had been voided 6 days later with no explanation.
21st The Kansas City Royals new Baseball Academy is officially dedicated. Its stated purpose is “to provide youth with the dual opportunity to pursue an education and at the same time learn the skills of our national pastime.”
31st The Mets trade 1969 hero OF Ron Swoboda and infielder Rich Hacker to Montreal for OF Don Hahn. Swoboda will go to the Yankees in June for OF Ron Woods.
The Twins release former 20-game winner Luis Tiant. Tiant was 7-3 last season, losing 3 out of his last 4 because of a break discovered in his pitching arm. He pitched just 8 innings this spring because of a rib injury. He will sign a minor league contract with the Braves, then move over to the Red Sox Triple-A team.