Prso fears he is in final season
Dado Prso is in the final year of his Rangers contract
Rangers striker Dado Prso could be forced to retire through injury at the end of the forthcoming season.
Prso has confirmed that persistent knee problems have forced his retiral from international football after representing Croatia at the World Cup.
And he told the Sportske Novosti daily: "I'm 32, my knee is in bad shape and the end of my soccer career is near."
He has a year left of his contract and added: "I'll sit down then with my family and see what is best for me."
Croatia were knocked out in the group stages in Germany.
And Prso, who scored nine goals in 29 international appearances, said it "was the biggest disappointment in my life". I had to retire some time and I have decided that that moment has come
Dado Prso
"I wanted to say goodbye to the team with style, not that way," he said.
Croatia national federation head Vlatko Markovic had travelled to Glasgow in an attempt to persuade Prso to continue his international career.
"I had to retire some time and I have decided that that moment has come," he added.
Prso made his debut in the national squad in a March 2003 European Championship qualifier against Belgium.
Croatia won 4-0, with Prso scoring two of the goals to confirm that he was the natural successor to the retired Davor Suker.
He had left Croatia in 1994, during the 1991-95 Serbo-Croatian war, for France and has since played for Rouen, St Raphael, Ajaccio, Monaco and Rangers.
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I hope this is a injury free season for him