Career
He played for Tappara. Marjamäki also played for HV 71 during the 1979-1980 season. He was inducted into the Finnish Hockey Hall of Fame in 1990 and in the IIHF Hall of Fame in 1998.
Marjamäki had a heart attack when returning home from the supermarket on 7 May 2012.
He was hospitalised and died in the intensive care unit of the hospital of Tampere during the early hours of 10 May.