1931 Portsmouth Spartans season

Two Portsmouth rookies in 1931 were halfback Fred "Stud" Stennett (L) and end Harry Ebding (R), the co-captains of St. Mary's College in 1930.
1931 Portsmouth Spartans season
Head coachPotsy Clark
Home fieldUniversal Stadium
Results
Record11–3
League place2nd NFL

The 1931 Portsmouth Spartans season was their second in the league. The team improved on their previous season's output of 5–6–3, winning eleven games.[1] They finished second in the league.