Most wins in a season: 76 in 1999
Most losses in a season: 74 in 1908
The Rockford Reds, a minor league baseball team, played in the Wisconsin Association, Wisconsin State League, Wisconsin-Illinois League, Illinois State League, Mississippi-Ohio Valley League and Midwest League between 1908 and 1999.
|1908||Rockford Reds||Wisconsin-Illinois League||48||74||Roster||Stats|
|1909||Rockford Reds||Wisconsin-Illinois League||61||61||Roster||Stats|
|1910||Rockford Reds||Wisconsin-Illinois League||72||50||Roster||Stats|
|1999||Rockford Reds||Midwest League||76||63||Roster||Stats||63,705||980|
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.