A friendly match has been announced as part of Celtic's pre-season, with the Scottish Premier League side set to take on the Italian team at Celtic Park.

While Scott McDonald has been left out of the Asian Cup squad as part of his push to become Celtic's first-choice striker; Grella will be with the Australia squad. The Asian Cup final is set to be played in Indonesia so even an international dash for Grella to make the match will be impossible.

Unless Australia fail to meet expectations and is knocked out of the tournament early, Grella will be unable to turn out for the Italian side.

The two sides have met in friendlies before with a 1-1 draw in 1997 and a 2-1 Celtic win in 2002.