Thunder Umpires

Umpire Committee:

Marilyn Eimers, Eric Bearisto, Kris Grant

Umpire Scheduling: Marilyn Eimers

Umpire - Ejection/Game Report

All Umpires must fill out a game report for all games involving ejections.

Game report is currently being updated and will be available before the season begins.

Umpire Scheduling: Marilyn Eimers

Umpire Game Assignments

For more info please contact:

Umpire Scheduling: Marilyn Eimers

Umpire - Rules

View - > 2018 Thunder House League Rules

View - > Official Rules of Baseball

View - > OBA Umpire Rules Page

Umpire Training

Thunder Umpires are trained and certified by Baseball Ontario.

For more information on EOBA / OBA Umpires:

Go to...The Baseball Ontario Umpires Page

Umpire Links:

Baseball Ontario Umpire Page

MLB Official Umpire Site

Baseball Canada Umpires

The Harry Wendelstedt School for Umpires

Jim Evans Academy of Professional Umpiring