It has now been reported the Parkhead club have entered negotiations with the Polish side to secure the services of the 26-year-old Croatian.
A report from Sky Sports claims the defender is valued in the region of £2.5m and is keen on the idea of making the switch to Ange Postecoglou’s side this summer.
What exactly did these Celtic fans have to say?
“Please @CelticFC, I am on my knees!!!”
It is thought Legia Warsaw may have their hand forced into selling their Croatian defender this summer as they look to raise funds following their Champions League exit last week.
With a deal for Couto reportedly falling through, it seems these Celtic fans would be keen to see the club finalise a deal for the Croatian defender this summer as Postecoglou looks to put his stamp on the side.