(ESPN) Major League Baseball plans to hold a 60-game season that will begin around July 24 but first needs players to sign off on a health-and-safety protocol and to pledge to arrive at home stadiums by July 1 to prepare for the season, sources familiar with the situation told ESPN.

Owners voted to implement a 60-game season on Monday, hours after the MLB Players Association rejected a 60-game proposal that would have included an expanded postseason and other ancillary salary bumps.

After nearly three months of fruitless negotiations, MLB opted to use the right given to it in the parties' March 26 agreement to impose a schedule of its desired length. By choosing a season of 60 games, the league will pack in about as many games as it can through Sept. 27, the league's self-imposed cutoff for the regular season.

Additionally, the 60-game season could serve as a buffer against a grievance by the MLBPA, which in the case of a potential implementation has been expected to charge that the league did not fulfill its duty to complete as full a season as possible. The league could file a grievance against the union as well.

MLB asked the union to respond by 5:00 PM EDT Tuesday as to whether players can report to training by July 1 and whether the players’ association will agree on the operating manual of health and safety protocols. The schedule would be the shortest since the National League’s third season.

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