Umpires
Join Our Officiating Team
Become an Umpire
Ajax Spartans Baseball is always looking for dedicated individuals to join our umpiring team. Whether you're experienced or just starting out, we provide comprehensive training and support.
Our umpires are essential to maintaining the integrity and enjoyment of the game for all players.
View Requirements →Training & Certification
We offer comprehensive training programs for all skill levels. Our experienced umpire-in-chief provides mentorship and ongoing support.
Certification opportunities available through Baseball Ontario officiating programs.
Compensation
Competitive game fees based on experience and certification level. Rates vary by division and game type.
Additional opportunities for tournament and playoff games with enhanced compensation.
Get Details →Requirements
What we're looking for in our umpires
Must be at least 14 years old to umpire younger divisions
Basic understanding of baseball rules and gameplay
Flexible schedule for weeknight games and weekend tournaments
Ability to communicate clearly with players, coaches, and parents
Maintain composure and fairness in all situations
We help new umpires acquire proper equipment and uniforms
2025 Umpire Rates
Competitive compensation for all divisions
House League
| Age Group | Plate | Base |
|---|---|---|
| T-Ball | N/A | N/A |
| 8/9U | $25 | $25 |
| 10/11U | $30 | $30 |
| 12/13U | $35 | $35 |
| 14/18U | $50 | $50 |
Rep (incl. SOBA)
| Age Group | Plate | Base |
|---|---|---|
| 8/9U | $40 | $35 |
| 10/11U | $45 | $40 |
| 12/13U | $55 | $50 |
| 14/15U | $80 | $75 |
| 16/18U | $90 | $85 |
| 22U | $115 | $110 |
* Additional compensation available for tournament and playoff games
* Rates subject to experience and certification level
Umpire Resources
Essential documents and guidelines
Umpire Orientation Package
Comprehensive orientation materials for new and returning umpires covering all 2025 season protocols and expectations.
Download PDFEjection Process Guide
Comprehensive guide on proper ejection procedures for both Rep and House League games.
Download DOCXUmpire Cheat Sheet
Quick reference guide with essential rules, signals, and game situations for easy field access.
Download PDFDid You Know?
Fascinating baseball rules that might surprise you
Baseball is a game of intricate rules and strategic nuances. Whether you're a player, parent, or fan, understanding these lesser-known regulations can deepen your appreciation for the game. Here are some of the most interesting rules from our official umpire's cheat sheet:
The 30/30 Lightning Rule
When you see your first lightning flash, the game stops immediately. Everyone must seek shelter. If 30 seconds or less pass between flash and thunder, umpires reset a 30-minute timer before play can resume. Safety always comes first.
This rule ensures no one is on the field when lightning could strike, protecting players, coaches, and spectators alike.
Game Length Variations
Not all games are 9 innings! In EOBA, most divisions play 7 innings, while only Bantam and Midget play 9. But here's the twist - AAA leagues have seasonal variations: Bantam and Midget play 7 innings early in the season (May 1 - June 15), then switch to 9 innings for the rest of the summer.
Coaches must adjust their pitching rotations and game strategies based on the calendar date.
No New Inning (Curfew) Rules
Games have strict time limits: 2 hours for most divisions, 2.5 hours for 9-inning games. Once this "curfew" hits, no new inning can start. However, tied games keep playing beyond curfew until there's a winner - unless you hit a "hard curfew" like 11 PM when Ajax park lights shut off!
The curfew timer starts from the scheduled game time on the EOBA website, not when the game actually begins.
Substitution Strategy
In Peewee through Midget divisions, starters can be replaced and then return to the game once - but only to their original batting position. Non-starters who enter the game are done once removed. If all players are used and someone gets injured, the opposing coach picks the replacement!
This rule doesn't apply to ejections - teams must play shorthanded if a player is ejected.
AAA Tie-Breaker Drama
Extra innings use International Tie-Breaker Rules: the player who made the last out in the previous inning starts on second base with one out already recorded. This accelerates the game's conclusion while adding immediate scoring pressure.
Teams often intentionally make their fastest runner the last out, setting up a scoring opportunity in extras.
Mercy Rule Complexity
Games can end early with different thresholds: 18 runs after 3 innings, 15 after 4 (AAA only), or 10 after 5. In AAA, games can also be complete after just 75-90 minutes of actual game time, regardless of innings played. The home team always gets their last at-bat unless they're winning.
EOBA uses curfew with 10-run spread first, then innings played to determine if a game is complete.
These rules showcase the complexity behind every Ajax Baseball game. From weather safety to strategic substitutions, our umpires must master these nuances to ensure fair, safe, and exciting games for all age groups.
Ready to become a guardian of the game? Join our umpiring team and be part of Ajax Baseball's 70-year tradition of excellence.
Ready to Join Our Team?
Take the first step towards becoming an Ajax Spartans umpire. Contact our Umpire-in-Chief for more information about opportunities, training schedules, and how to get started.
Contact Us Today