6th Enos Slaughter and Arky Vaughan are elected to the Hall of Fame by the Special Veterans Committee.
8th Dave Stieb, the ace of the Toronto staff for the past 5 seasons, signs an 11-year contract that could be worth up to $25 million with deferred payments and incentives.
16th Denny McLain, winner of the AL Cy Young Award in 1968, is convicted of racketeering, extortion, and cocaine possession in Tampa, Florida.
18th Commissioner Ueberroth reinstates Hall of Famers Willie Mays and Mickey Mantle, who had been banned from association with organized baseball by Bowie Kuhn due to their employment by Atlantic City casinos.
25th An Illinois judge rules that state and city laws which effectively ban night baseball at Chicago’s Wrigley Field are constitutional. After being forced to give up a home game during the 1984 NLCS, and threatened with playing future post-season games at another stadium entirely in order to accommodate network television’s prime-time schedules, the Cubs had sued to overturn the laws.
28th The April 1st issue of Sports Illustratedcontains a fictitious article about a Mets pitching prospect named Sidd Finch, whose fastball has been timed at 168 MPH. Author George Plimpton offers bogus quotes from real-life members of the Mets, as well as several staged photos, and fools readers nationwide.