Their home ballpark, Belleville Athletic Field, was also referred to as "Stag Park" while the team played there.
The Stags, playing as a minor league affiliate of the St. Louis Browns, finished the regular season with a 75–37 record to place first in the standings under manager Walter DeFreitas.
The league had no playoffs as Belleville finished 15.0 games ahead of the second place Centralia Cubs in the final standings.
The Stags finished with a record of 51–67 to place fifth in the standings under managers Gerald Nemitz and Shan Deniston.
Belleville finished 33.0 games behind the first place West Frankfort Cardinals in the final standings of the six–team league.
The name change occurred after the Paducah Chiefs franchise replaced the Marion Indians in the six–team league.
The Stags finished with a record of 43–76, playing under managers Lee Mueller, Joseph Yurkovich, Addie Nesbit and Malcolm Mick.