The 2023 Major League Baseball season (MLB) began on March 30. [1] The 93rd All-Star Game was played on July 11, hosted by the Seattle Mariners at T-Mobile Park in Seattle, Washington, with the National League winning, 3–2. [2] The regular season ended on October 1, and the postseason began on October 3, and ended with Game 5 of the World Series on November 1.