Sponsored By:   Primo Sports Group
Del Mar, CA
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Umpire Resources - Del Mar Little League


Below are various resources for DMLL umpires, including rule books that include added umpire instructions / definitions / understanding ("Little League Rules Instruction Manual"), as well as Little League umpire training resources such as articles and videos. Also included below are links to recommended online sources for umpire gear.


Little League Rules Instruction Manual (2023)

Approved LL Rule Changes (most recent)

Approved Non-Wood Bat List (USA Bat)

Decertified Bats (USA Bat)

LL District 31 Video Umpire Clinics (2022)

You Make The Call (rules)

Hey Blue! (rules)

Umpire Mechanics & Gear Inspections (videos)

Highlighted LL Rules for DMLL Umpires + DMLL AAA/AA Local League Rules (2020)

Little League Rulebook App ($1.99)


Umpire Gear Resources:

Epic Sports

Gerry Davis

Monkey Sports

Purchase Officials


Ump Attire

Also, sometimes it's desirable to use Dickies work pants for the umpire uniform. They are durable, relatively inexpensive, and easy to care for. Please seek out gray (charcoal gray preferred over light gray). These are available at Dickies outlets in San Diego County, as well as online, including the Dickies website:



If you have any questions regarding any of the above, please let me know.  Thank you for spending time to review the resources above.  I look forward to seeing you on the ball field!


Doug Means
DMLL Chief of Umpires