Career
Even though he played professionally for four clubs in his country, he is best known for his spell with in Portugal. In his first season he helped the team retain the championship, scoring 11 goals in only 21 matches. Having played 132 official matches with 75 goals for, Manniche was affectionately known as "O Tosco" (Portuguese slang for a person/player with few or no technical abilities).
In the decades following his retirement, he stayed firmly connected to the club, either watching games, mediating in business negotiations or supplying training equipment.
In 1987, 28-year-old Manniche returned home, joining Boldklubben 1903 – on 1 July 1992, it merged with Kjøbenhavns Boldklub to become F.C. Copenhagen. Manniche returned to Copenhagen in 1996, as an assistant manager.
After a string of poor results he made a short comeback as a player, at the age of 37, calling it quits shortly after.
