Want to become an Umpire?

Ajax Baseball is always looking for experienced umpires. Contact John Petsinis at

2021 Umpire Orientation

Umpire rates

House League

14/15U (7 innings)4040
16/17/18U (7 innings)4545

Rep (Incl. SOBA)

14/15U (7 innings)6055
14/15U (9 innings)7065
16/17/18U (7 innings)7065
16/17/18U (9 innings)8075
22U (7 innings)7570
22U (9 innings)8580

Umpire Cheat sheet

Umpire Clinics

Ajax Umpires,

Ajax is hosting a level 1 & 2 clinic on Sunday, May 5th. If you do not attend a clinic you will not be umpiring with Ajax next season.  

Registration starts @ 8:30 and the clinic will begin at 9:00.  The clinic is being held at Pickering High School - 180 Church St N, Ajax, ON L1T 2W7.

The cost of the clinic is $55 for level 1 and $75 for level 2 which will include a pizza lunch.  Please bring exact cash or cheque payable to Ajax Spartans Minor Baseball Association. We also suggest you bring some snacks, water, pen/pencil, writing pad and comfortable clothing/running shoes as you will be doing some work in the gym.

To register for the clinic you will need to go to the Baseball Ontario website and click on the clinic.  You need to ensure you have your Login ID & Password. If you do not please contact Baseball Ontario

Any questions please contact me.



Here are some pictures of our previous years umpire clinics......

Ajax Baseball Logo

15-75 Bayly Street 
Suite 253 
Ajax, Ontario, L1S 7K7