Managers will be allowed one challenge over the first six innings of games and two after the seventh inning until the end of the game. Calls that are challenged will be reviewed by a crew in MLB headquarters in New York City, which will make the final ruling.
MLB vice president Joe Torre gave the replay presentation to representatives from all 30 teams on Wednesday and it was discussed Thursday morning.
A 75 percent vote by the owners is needed for approval and the players' association and umpires would have to agree to any changes to the current system.