He spent the majority of his career with Norwich City, though he also played for Aston Villa, Stockport County, Wrexham, New England Tea Men and Tampa Bay Rowdies.
Keelan was appointed a Member of the Order of the British Empire (MBE) in the 1980 Birthday Honours "for services to Norwich City Football Club.
In both 1978 and 1979, Norwich City sent Keelan on loan to the New England Tea Men of the North American Soccer League for the summer season.
[5] In an interview for the Norwich City matchday programme on 30 April 2006, Keelan confirmed that he runs goalkeeping schools in Cape Coral and Tampa Florida and coaches "pretty much every night".
He also stated that for 20 years he has worked for a company that manufactures contact lenses and distributes them all over the world, but plans to retire at the end of 2006 to concentrate on his coaching.