Conversation so far:
Who is Kevin Keegan?
Joseph Kevin Keegan, is an English former football player and manager.
Are there any other interesting aspects about the Kevin Keegan article?
He began his playing career at Scunthorpe United in 1968, before moving to Liverpool in 1971
Who else did Kevin Keegan contract with or join besides Scunthorpe United?
He moved to West German club Hamburger SV in the summer of 1977. At Hamburg, he was named European Footballer of the Year in 1978 and 1979.

Question: What did he do in 1980
Self-contained rewrite: What did Kevin Keegan do in 1980?