Pitch counts for each round have been increased from 60 to 70 in the first round, from 80 to 85 in the second round, and from 95 to 100 in the final rounds.
Any pitcher who throws at least 30 pitches in a semifinal cannot pitch in the final.
The MLB video replay rules will be in effect.
Baseline coaches will have to wear helmets.
Teams will have to announcer their starting pitcher at least one day in advance.
The screwball Olympic extra-inning tiebreaker will be used if the game goes to a 13th inning. In the 13th inning, teams will start the inning with runners on first and second. No decision has been made yet though if the rule would be used for the final.