Hallman was a four-time All Star and won a Grey Cup with Toronto in 1991.
He also won both the CFL's Most Outstanding Rookie Award and the Jackie Parker Trophy in 1986.
[1] His selection by the 49ers was made following a recommendation to 49ers head coach Bill Walsh by actor Bradford Dillman.
Hallman died in a Macon, Georgia hospital after surgical complications.
This biographical article relating to a Canadian football defensive lineman is a stub.