He was a member of the men's national team that won the bronze medal at the 1992 Summer Olympics in Barcelona, Spain.
Adjei played as a full-back, helping his club Obuasi Goldfields win the Ghana Premier League for three consecutive seasons in the 1990s.
His son, Sammy Adjei Jr is a footballer who has already represented the United States U-14 and u-18 levels and was recently called up to Ghana Black Satellites camp.
This biographical article related to association football in Ghana, about a defender, is a stub.
You can help Wikipedia by expanding it.This article about a Ghanaian Olympic medalist is a stub.