Longman Dictionary of Contemporary English
footie
noun
EXAMPLES FROM CORPUS
▪ A definite must for footie fans.
▪ Giving and taking jibes and insults is very much part of being a footie fan; usually it's fun.
▪ Stuff he's into: Coldplay, Gomez, films, footie.
▪ There were flags on the walls and various weapons, also a few sporting trophies and framed photos of long forgotten footie teams.
▪ Towers we think Emlyn Hughes is one of the best footie games ever on the C64.
Wiktionary
footie
n. (alternative spelling of footy English)