From BR Bullpen
- February 2, 2015 - The 2015 Caribbean Series begins in San Juan.
- March 3, 2015 - The first spring training games between major league clubs will be played.
- April 5, 2015 - Opening Day of the 2015 Major League Baseball season
- June 8, 2015 - The 2015 amateur draft will be held
- June 24, 2015 - The annual SABR convention opens in Chicago, IL
- July 14, 2015 - The 2015 All-Star Game will be played in Cincinnati, OH
- July 26, 2015 - Induction ceremonies for the 2015 Hall of Fame class will take place in Cooperstown, NY.