Aberdeen number one Joe Lewis suffered a serious injury against Rangers last week and is set for a lengthy spell on the sidelines.
Aberdeen manager Derek McInnes is one of the front runners to succeed Pedro Caixinha at Rangers.
Celtic landed Jonny Hayes from Aberdeen in the summer - a trick straight out of Champions League opponents Bayern Munich's playbook
Steve Bruce wants to keep Manchester United loanee Sam Johnstone - but Aston Villa have now reportedly identified Joe Lewis as a potential target .
Joe Lewis only recently signed a contract with Aberdeen until 2020 - but that has not stopped Aston Villa from eyeing up a deal.
Should Celtic return for Aberdeen goalkeeper Joe Lewis next summer?
The former Spurs boss believes the club are in a brilliant financial position.
With summer target lists likely already being drawn up, could the Aberdeen shot-stopper be worth a look for Celtic and Rangers?
HITC Sport understands that Fulham are set to sign goalkeeper Joe Lewis on loan from Championship rivals Cardiff City.
'I can only apologise unreservedly for any losses or unfulfilled expectations of profit'.