[2] The Bartlesville Oilers, Carthage Cardinals, Chanute Owls, Iola Cubs and Miami Blues joined the Browns in beginning league play on May 1, 1946.
[3] The Pittsburg Browns were charter members of the 1946 Kansas-Oklahoma-Missouri League and qualified for the playoffs in their first season of play.
Playing under manager Jimmie Crandall, Pittsburg finished 6.5 games behind the first place Chanute Owls.
[2] Managed by the returning Jimmie Crandall, the Browns lost to Iola in the first round of the playoffs, three games to one.
Pittsburg ended the regular season in fourth place in the eight-team league, playing under managers Shan Deniston and Don Smith.
[15] With a 60–60 record, the Browns finished 16.0 games behind the first place Ponca City Dodgers and advanced to the four team playoffs.
[16][17][18] Charles Sturnborg of Pittsburg led the Kansas-Oklahoma-Missouri League with both 13 home runs and 78 RBI.
Pittsburg had a regular record of 71–52, finishing in fourth place, playing the season under managers Olan Smith and Jimmie Crandall.
Prior to original construction, the Pittsburg Junior Chamber of Commerce (the Jaycees) purchased the property, which was adjacent to Lincoln Park.
The original ballfield was enclosed by a red brick wall along the streets down 3rd base line and left-to-center field that still exists today.