_Each manager will have a maximum two challenges per game.
_If a challenge is upheld, it won’t count against a manager’s limit.
_If a manager wants to challenge a call, he notifies an umpire before the next pitch.
_A manager cannot call for a challenge after he argues a play.
_Video will be reviewed in New York, likely by current or former major league umpires.
_If a manager is out of challenges, an umpire probably will be allowed to call for a review if he wants to.
_Ball/strike calls, checked swings and some foul tip calls may not be reviewed.
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