Gustav Isaksen would reportedly require some "sweet talking" to sign for Celtic with the winger being pushed towards the Lazio exit.
The Hoops were touted with a move for the forward in the final days of the summer transfer window with a loan move with an option to buy reportedly knocked back.
But reports in Italy suggest the Scottish Premiership leaders maintain their interest in the Danish international in the winter window.
However, La Lazio Siamo Noi report that the 23-year-old "isn't convinced about going to Scotland" and would require "sweet talking" from the Scottish champions to make the move to Glasgow's east end.
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