Most wins in a season: 64 in 1947
Most losses in a season: 75 in 1947
The Ontario Orioles, a minor league baseball team, played in the Sunset League and Southwest International League between 1947 and 1947.
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.