After a one-year hiatus during the war, the league returned in 1920
Champ
NAN
z: best record, c: conference winner, y: division winner, w: wildcard, x: clinched playoff spot

PSL Championship

Best of 5-game series
Date    OpponentResultScoreSeries
???vs NanticokeW  30-23 1-0
???at NanticokeL  30-42 1-1
???vs NanticokeL  18-23 1-2
???at NanticokeL  31-32 1-3