At Wrigley Field, the Reds’ Joey Jay allows just two hits but loses to the Cubs, 1 – 0. Larry Jackson does him one better, allowing just one hit and driving in the lone run with a single. Jackson’s no-hit bid is stopped in the 7th when Pete Rose singles.

On June 27, 1964 Roberto Clemente’s two-run, tape-measure double finds its way out of Forbes Field at its farthest point, touching off Pittsburgh’s come-from-behind, 8th-inning, game-winning rally off Cincinnati’s Bob Purkey and Bill Henry. Dick Schofield singles, Bill Virdon doubles and both score on Clemente’s ground-rule double that bounces over the center-field wall. The game is thus deadlocked and, one out later, Clemente will score the deciding run ahead…

On June 27, 1964 Cleveland 3B Max Alvis is stricken with spinal meningitis. He will be disabled for six weeks but will make the All-Star team in 1965. Texas native will rebound nicely, making the American League All-Star team next season and in 1967.

University of Wisconsin standout Rick Reichardt receives the highest bonus to date when he signs with the Angels for $200,000. The bidding war for the talented Badger outfielder ultimately led the owners to institute a draft, which started in 1965 when Arizona State University’s Rick Monday became the first-ever #1 overall selection.

On June 25, 1964 Steve Barber’s 3-hit 3 – 1 win gives the Orioles a 3-game sweep of the Yankees and first place in the American League.   Source Baseball Reference June 25

University of Wisconsin star slugger Rick Reichardt signs with the Angels. He receives the biggest bonus to that point, an estimated $200,000. The signing is one reason that the amateur draft is put into place to try to level the playing field and hold the line on bonuses.

In the nitecap of a doubleheader, Len Gabrielson’s 6th-inning single is the only hit the Cubs manage off the Phils’ Ray Culp, who wins, 9 – 0.