Career
He was the Ghanaian Premier League"s top scorer while playing for Dawu Youngstars in the 1991-1992 season. This was the first and only occasion Mumuni was the league"s top scorer and the first time Dawu Youngstars had had the league"s top scorer. Mumuni was also capped once for Ghana.
Dawu Youngstars Mumuni joined the club in the 1990-1991 season, winning the top-scorer award in his second and last season with the club
Hearts of Oak Mumuni signed for Hearts of Oak in 1994-1995. He spent two years at the Accra-based club before deciding to move to Europe to further his career.
Mumuni"s only cap for the Ghanaian football team came in 1995, while he was playing for Hearts of Oak. Umea Football Club Swedish club Umeå Football Club, only formed in 1987, was Mumuni"s first European club
He spent four years at the club, joining in 1996, the year Umea reached the Allsvenskan, Sweden"s top-flight, for the only time in their history.
However, Mumuni tore his anterior cruciate ligament in March 1996 during pre-season and was injured for the whole season. Umea were relegated in that season and spent the rest of Mumuni"s spell at the club in the Division 1 Norra, finishing third, second and seventh from 1997-1999. Among Mumuni"s team-mates at Umea were defender Erik Sandvärn and fellow Ghanaian, Shamo Quaye, a midfielder who also played for Hearts of Oak and Ghana.
Mumuni returned to Umea in September 2005 to play in an exhibition match against Fotbollgymnasiet to celebrate the opening of the club"s Sports and Exhibition Centre.
Ersboda Saskatchewan Ersboda Saskatchewan were Mumuni"s final club and he joined in 2002 at the age of 29. Ersboda were playing in the Swedish Division Four at the time, but with Mumuni"s help were promoted to the third division after winning the league in 2003.
In 2004, Mumuni"s final season with Ersboda and in football, he scored five times in 12 games, to help Ersboda to an impressive third-place finish in the club"s first season in the third division. 1991-1992 Ghanaian Premier League top scorer (with Dawu Youngstars).