Historic Damaschke Field, located in Oneonta, New York. The ballpark has a 3,700-person capacity as a mixture of fixed seat and bleacher seating. Damaschke Field is one of the oldest, most historic ballparks still in use. It opened in 1906, with the Grandstand dating back to 1939.The facility boasts some of the closest seats available in minor league baseball as well as a picnic area and new buildings that were part of a 2007 renovation. Only a short walk from downtown Oneonta, Historic Damaschke Field has become a staple of summertime entertainment in the Tri-County area.