Park Cleanup Day April 4, 2026 - 7:00am to 4:00pm Dunham Park
4/18 - 8:00am
T-Ball Giants
T-Ball Cubs
Dunham Park Diamond 6
4/18 - 8:00am
T-Ball Pirates
T-Ball Blue Jays
Dunham Park Diamond 5
4/18 - 8:00am
T-Ball Athletics
T-Ball Nationals
Dunham Park Diamond 2
4/18 - 9:30am
Rookie Yankees
Rookie Blue Jays
Dunham Park Diamond 6

About Us

The Dunham Baseball Organization is a community-based, not-for-profit, 501(c)(3) organization that promotes baseball instruction, competition, and sportsmanship for more than 500 children ages 4 to 18 years old. The DBBO tradition dates back to 1968 and is based at the Chicago Park District's Dunham Park on the Northwest Side. The organization relies 100% on its parent volunteers to coach and to operate the league. The baseball season runs from April to July.

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Players

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Teams

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Divisions

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