[5] The stadium opened on May 24, 2002, as O'Brien Field,[1] with a game between the Chiefs and the Kane County Cougars.

[7] In April 2013, the Chiefs, including the stadium, received $7.35 million in financing and debt forgiveness.

[4][1] Dozer Park's sod has an 8-inch (200 mm) deep root zone of 90% sand and 10% Dakota peat for nutrition.

A huge sump pump beyond center field then drains into the city sewer system.

The makeup of the pitcher's mound and batter's boxes are almost 100% clay because it packs better and is wear resistant.