Feb. 28: Spring training games begin
March 1: Mandatory reporting date
March 16: Last day to place a player on unconditional release waivers and pay 30 days termination pay instead of 45 days
March 30: Last day to request unconditional release waivers on a player without having to pay his full 2016 salary
April 3: Opening Day Sunday tripleheader (All times ET)
● Cardinals at Pirates, 1:05 p.m.
● Blue Jays at Rays, 4:05 p.m.
● Mets at Royals, 8:35 p.m.
April 4: Opening Day — 24 teams in action
April 5: Ten games, including final teams to open season — Tigers at Marlins
● Note: Teams must reduce rosters to 25 players day of their respective opener
April 15: Jackie Robinson Day
May 31: Roberto Clemente Day
June 9-11: MLB Draft
July 10: Futures Game, San Diego
July 10: Legends and Celebrity Softball Game, San Diego (following Futures Game)
July 11: Home Run Derby, San Diego
July 12: 87th All-Star Game (on FOX), San Diego
July 15: Deadline for amateur draft picks to sign
July 24: Hall of Fame inductions, Cooperstown, NY
July 31: Last day to trade a player without securing waivers
Sept. 1: Active rosters expand to 40 players
Oct. 2: Regular season ends (All games begin at 3 p.m. ET)
Five days after World Series: Deadline for teams to make qualifying offers to their eligible former players who became free agents
12 days after World Series: Deadline for free agents to accept qualifying offers
Dec. 2: Last day for teams to offer 2017 contracts to unsigned players on their 40-man rosters
Dec. 5-8: Winter Meetings, Washington, D.C.