Most wins in a season: 74 in 1911
Most losses in a season: 71 in 1912
The Rockford Wolverines, a minor league baseball team, played in the Wisconsin Association, Wisconsin State League and Wisconsin-Illinois League between 1911 and 1913.
|1911||Rockford Wolverines||Wisconsin-Illinois League||74||46||Roster||Stats|
|1912||Rockford Wolverines||Wisconsin-Illinois League||63||71||Roster||Stats|
|1913||Rockford Wolverines||Wisconsin-Illinois League||63||57||Roster||Stats|
Average attendance is based upon the number of actual home dates where known (most leagues from 1992 and later). Where the number of home dates is not known, the average is calculated using half the team's total games.