Two clubs – and – entered the MAFA this season. The only club to depart following the
1929 season was , which disbanded following a last-placed finish in
C Section in its inaugural season. and , which had been known as the "Blues" and the "Blacks" respectively since the
1921 MAFA season, officially adopted the nicknames beginning this season.
Black Rock expulsion During a match on 17 May, alleged that supporters of had threatened Elsternwick players and injured club officials. It was also alleged that Black Rock players had set upon Elsternwick players after the match had ended. A second incident also occurred during a match against , with police summoned after Black Rock supporters became unruly. By a "large majority", the MAFA decided on 3 June to expel Black Rock. The club was advised about an appeal by
Ian Macfarlan, the former
Attorney-General of Victoria, but it remained expelled from the competition. The remaining scheduled matches involving Black Rock were considered
byes, with impacted clubs receiving four premiership points. Despite not playing any games in the second half of the season, Black Rock player A. Parry was the joint best and fairest winner in A Section. ==A Section==