Most wins in a season: 4 in 1911
Most losses in a season: 10 in 1911
The Portsmouth, an independent, minor league baseball team, played in the New England Inter-State League and Tidewater League between 1888 and 1911.
|1888||Portsmouth||New England Inter-State League||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.