» In his first start of the season, Orel Hershiser gives up a run in the first inning of a 4-3 loss to the Reds to end his ML-record consecutive-scoreless-inning streak at 59.
» The largest crowd ever to see a baseball game in Minnesota--52,279--turns out for the inaugural game at the brand-new Hubert H. Humphrey Metrodome. Twins rookie 3B Gary Gaetti goes 4-for-4 with a pair of home runs, but Seattle wins 11-7.
» The Astros beat the Braves 2-1. Atlanta loses the services of Rookie of the Year 3B Bob Horner for the next 32 games due to an ankle injury.
» The Seattle Mariners make their debut, losing to Frank Tanana and the Angels 7-0.
» The Astros purchase P Joe Niekro from the Braves.
» Yankee Ron Blomberg, facing Boston's Luis Tiant, becomes the first official DH in the ML. Blomberg walks with the bases loaded and winds up 1-for-3 in the 15-5 loss to the Red Sox.
» For the first time in history, the ML season fails to open due to a general player strike. The strike, announced April 1st, will erase 86 games from the ML schedules.
» Willie Mays, a month shy of his 40th birthday, homers in a 4-0 Opening Day Giants win over the Padres. Mays will go on to hit homers in each of the Giants first 4 games of the season, a ML record.
» Vedie Himsl is designated as head coach of the Cubs for the first 2 weeks of the season.
The International League votes to open its season in Havana, unless the political and social strife in Cuba worsens.
» The Albuquerque Dons (Class D Arizona-Texas League) open the season with a 43-15 win over the El Paso Longhorns.
The International League changes its name to the Eastern Association because it no longer has any Canadian clubs.