He became player-manager for the Shrews in the 1978-79 season, the same year the club sealed the Third Division championship.
Keegan helped the Sons to win the Third Division championship in May 2009.
Under his leadership, the "Cherries" won the Third Division championship in 1986-87 with 97 points.
He made his first appearances in the Inverness side that won the Third Division championship in 1997.
Consequently Hull eventually won the Third Division championship in the 1965-66 season.
On his return to Portsmouth he helped them to the Third Division championship in 1961-62.
He led them to the Third Division championship in 1984.
Despite this led the side to the Scottish Third Division championship the next season.
He helped Bournemouth win their first Third Division championship in his first season with the club.
He spent nine seasons with Hereford, and was a part of the side which won the Third Division championship in 1975-76.