1920–21 Prima Categoria
The 1920-21 Prima Categoria season was the twentieth of the Italian Football Championship and the fourteenth since the re-brand to Prima Categoria. The 1920–21 Italian Football Championship was the sixth won by Pro Vercelli.
Regulation
Struggles between minor and major clubs continued, more, they went out of control. The regional FAs expanded the championship to 64 clubs. The preliminary regional phase became the bulk of the tournament, with even sixteen matchdays and regular regional football champions, while the following national phase was reduced to a spring tournament of eight matchdays.The main tournament was completely divided in five independent sections, and each region had its own football champions. The spots to the national championship were divided according to the agreements between the Regional FAs.
National championship was split in four groups of four clubs. Group winners advanced to the final four. The whole tournament could have twenty-two matchdays.
The experimental Southern groups had their own special regulations.
Teams
Regional FAs agreed to expand the league to 64 clubs. They variously chose to promote, re-elect, or invite clubs to fill the spots they had been granted to.Pre-league qualifications
Verdicts
Rivarolese and Sestrese were admitted to the 1a Categoria.Northern Italy
Qualifications
Liguria
Classification
Rivarolese was demoted by the Federazione Italiana Giuoco Calcio after incidents caused by its supporters during the match Rivarolese-Savona. Rivarolese's remaining matches were all considered forfeits. The side was readmitted to the championship for the following season.Results table
Piedmont
Group A
;Classification;Results Table
;Leadership playoff
Group B
;Classification;Results Table
Qualification playoff
;RepetitionUS Torinese qualified for the Northern Italy semifinals. Casale resigned from the FIGC.
Regional final
- Alessandria Champions of Piedmont 1921
Lombardy
Group A
;Classification;Results Table
Group B
;Classification;Results Table
Group C
;Classification;Results Table
;Relegation playoff
Group D
;Classification;Results Table
;Relegation playoff
The match was voided due to irregularities.
;Repetition
Group E
;Classification;Results Table
Group F
;Classification;Results Table
Final round
;Classification;Results Table
Veneto
Group A
;Classification;Results Table
- The home teams are read down the left hand side while the away teams are indicated along the top.
Group B
;Results Table
- The home teams are read down the left hand side while the away teams are indicated along the top.
Relegation playoff
Final round
;Classification;Results Table
- The home teams are read down the left hand side while the away teams are indicated along the top.
Emilia
Group A
;Classification;Results table
Group B
;Classification;Results table
Regional Finals
Since the aggregate rule wasn't applied, a tie-breaker was needed.;Tie-breaker