6th Voters in King County (Washington) approve by 62 percent a $40 million bond issue to build a domed, multipurpose stadium.
8th The Reds trade C Johnny Edwards to the Cardinals for IF Jim Williams and C Pat Corrales.
13th The White Sox trade SS Ron Hansen and pitchers Dennis Higgins and Steve Jones to Washington for pitchers Bob Priddy and Les Narum and IF Tim Cullen. For Hansen it is more of a rental as the Sox will get him back in August.
The Giants trade C Tom Haller and P Frank Kasheta to the Dodgers for infielders Ron Hunt and Nate Oliver. This is the first trade between the 2 clubs since 1956 when Jackie Robinson was sent to the Giants but retired instead.
21st The first basic agreement between players and owners is ratified. The agreement runs from January 1, 1968 to December 31, 1969.
The minimum ML player’s salary is raised to $10,000. Meal money during the season will be $15 a day (up from $12), and players will get $40 a week for training-camp expenses (up from $25).
22nd At Miami’s Doral Country Club Ken Harrelson wins the Professional Baseball Players golf tournament for the third time, carding a 307, seven strokes ahead of Indians pitching coach Jack Sanford. Defending champ Sammy Ellis is third with a 315, followed by Indians manager Alvin Dark at 316. In the inactive players category, Jack Russell wins easily with a 310.
29th Former major league player and manager Lena Blackburne dies. Blackburne has been the source for his eponymous rubbing mud, used by umpires in both leagues to rub down new balls. He leaves the mud business to his boyhood friend, John Haas.