1955 - Giants slugger Willie Mays poles two home runs against the Pirates, giving him 50 for the year, making him the seventh player in history to accomplish this.
1958 - Hoyt Wilhelm of the Baltimore Orioles pitched a 1-0 no-hitter against the New York Yankees at Memorial Stadium, with the only run coming on a home run by Gus Triandos.
1961 - The 155th Yankees game of 1961 (including a tie) is Roger Maris' last chance to beat Babe Ruth, in compliance with Commissioner Ford Frick's statement that, for the record to be broken, Maris must do it in the same number of games as Ruth. Maris' 59th home run of the year, off Jack Fisher, is short of the record, but helps New York beat Baltimore 4-2 as the Yankees clinch their 26th American League pennant.
1969 - Bob Moose of the Pittsburgh Pirates pitched a 4-0 no-hitter against the New York Mets at Shea Stadium.
1980 - George Brett goes 0-for-4 in a 9-0 loss to the A's to drop his average below .400 for good. He is now hitting .396 and will finish the season at .390.
1984 - The Padres clinch their first National League West title since entering the league in 1969 with a 5-4 win over the Giants. The key blow is winning pitcher Tim Lollar's three-run home run, his third home run of the season.
1988 - Wade Boggs became the first player this century to get 200 hits in six consecutive seasons as the Boston Red Sox pounded Toronto 13-2. Boggs also joined Lou Gehrig as the only players to get 200 hits and 100 walks in three consecutive years.
1992 - Philadelphia second baseman Mickey Morandini made the first unassisted triple play in the National League in 65 years, just the ninth in Major League history, in the Phillies' 3-2, 13-inning loss to Pittsburgh.
1998 - Cal Ripken, Jr. took himself out of the starting lineup and did not play in the Baltimore Orioles' loss to the New York Yankees, ending his consecutive-game streak at 2,632 games. After nearly 16 years, Ripken said he decided the time was right to end the streak, which began on May 30, 1982.