Celtic look set to avoid playing against the Croatian wonderkid dubbed the new Luka Modric next week in the Champions League after Martin Baturina suffered an injury.
And Dinamo Zagreb could be without seven key men.
Dinamo host the Hoops next week in a game that could all but seal Celtic's place in the next stage if they can collect three points in Croatia.
The hosts were already struggling after a run of four games without a win with manager Nenad Bjelica reportedly on the brink of the sack after a weekend defeat at Hajduk Split.
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And their problems deepened after 21-year-old midfielder Baturina, who has been linked with moves to Real Madrid, Barcelona, PSG and Manchester United, suffered a muscle injury in training.
He has been ruled out of tonight's game against Slaven Belup and is rated doubtful for the visit of Celtic next week too.
It means Dinamo could be without up to seven players.
As well as star man Baturina, they currently have another six players sidelined - captain and North Macedonian international Arijan Ademi, keeper Ivan Nevistic, Croatian internationals Petar Sucic, Bruno Petkovic, Josip Misic and Colombian striker Juan Cordoba.