Welsby Cup winners
The Premier teams that were running first and second at the end of the first full round of home and away matches traditionally play for the Welsby Cup when next they meet in the second round.
Welsby Cup winners (since 1937):
| 1937 GPS 1946 Brothers 1947 Brothers 1948 Brothers 1949 Brothers 1950 Brothers 1951 University 1952 University 1953 University 1954 Brothers 1955 University 1956 Brothers 1957 University 1958 University 1959 University 1960 University 1961 Souths 1962 Teachers 1963 Teachers 1964 University 1965 University 1966 University 1967 University | 1968 Brothers 1969 Brothers 1970 GPS 1971 Brothers 1972 Teachers 1973 Brothers 1974 Brothers 1975 GPS 1976 GPS 1977 University 1978 University 1979 Brothers 1980 Souths 1981 Brothers 1982 Easts 1983 Brothers 1984 University 1985 Wests 1986 Souths 1987 Souths 1988 Souths 1989 Brothers
| 1990 Brothers |
