4 Umpire System is utilised by umpires that are working national or international events and are Level 5+.
Key concepts covered include:
- Four Essential Element Theory
- Ready / Set Position
- Making the call
- In / Out Theory
- Holding Positions
- Starting Positions
- Infield Plays
- Ground ball through the infield
- Outfield Coverage
- Tag Up Responsibilities
- Alternative U1 rotations
- PU and U1 relationship
- Backfill scenarios
- Pick offs
- All rotation possibilities
