The Scotland Under-21 international swapped one Serie A side for another in a £5m switch this week.
However, former Central Coast Mariners boss Montgomery is prepared to be creative in his recruitment and thinks the recent signing of Myziane Maolida on loan from Hertha Berlin fits the bill.
Montgomery said: “I wish it was that simple. Maybe the transfer is done but there’s still a few weeks left and a lot going on at the club.
