🏟 Baseball Field
Union Baseball Systems
Unclaimed Listing
★★★★★4.9(17 Google reviews)
4676 Brinell St · San Diego, CA 92111
Outdoor
About
Union Baseball Systems is a baseball facility serving San Diego, CA. The facility offers baseball training and development. Located in San Diego, this facility provides quality training opportunities for players of all ages and skill levels.
Location
4676 Brinell St, San Diego, CA 92111
Pricing
$1, $1, $1, $1, $1
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Upcoming Tournaments in California
Warm up here before game day
⚾ Baseball·USSSA
4.0 miNext Week
Spring into Spring
Mar 7–8, 2026
San Diego, CA
$814State Qualifier10U11U12U14U
⚾ Baseball·USSSA
23 miThis Week
DC Ramona Sunday 1 Day Showdown
Mar 1, 2026
Ramona, CA
$447–$499One Day Event7U8U9U10U11U12U13U14U
⚾ Baseball·USSSA
67 miNext Week
DC Tournaments The Oaks Blast
Mar 7–8, 2026
San Jacinto, CA
$762–$814State Qualifier7U8U9U10U11U12U13U14U
⚾ Baseball·USSSA
94 miThis Week
Bases Loaded Classic
Feb 28 – Mar 1, 2026
Pomona, CA
$615–$850State Qualifier6U8U9U10U11U12U13U14U62 teams
Mental Performance
Training at Union Baseball Systems?
Work on your mental game while you practice. Mind & Muscle has mental performance tools built for baseball and softball players.