Celtic could be missing as many as four key players for this weekend's match against Hibernian.
It's reported that Kasper Schmeichel, Alistair Johnston, Cameron Carter-Vickers and Nico Kuhn may all be on the sidelines on Saturday.
The Scottish Sun claim Schmeichel, though, is winning his battle to return to fitness for the Scottish Cup final later this month.
The Danish internationalist has been out of contention since March after an injury on international duty with Viljami Sinisalo deputising between the posts.
However, it's claimed Schmeichel is moving closer to being back involved for Celtic, with a return in one of the final Scottish Premiership fixtures possible ahead of the showpiece final at Hampden.
Elswehere, right-back Johnston is set to be rested due to a hip issue with Brendan Rodgers not going to take any unnecessary fitness risks with Celtic already champions.
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Carter-Vickers is reportedly unable to play this weekend with the centre-back being treated for a hamstring injury. It's expected he won't be in the matchday squad.
Rodgers said on Sunday: "He gets through it really, really well, but there's just a window. Our priority, of course, is all the games, but we have a Scottish Cup final.
"So that's the big priority, to get the players ready for that. So there's a little window now in order for him to get some treatment on that. He gets an injection which clears up a little bit of the issue that he has.
"It's just timing, really, and this is a good time for it."
Nico Kuhn was out of the 1-1 derby draw against Rangers through a knee problem with the report stating he is still being monitored.
"He hasn't trained all week. He done some work with our medical team," said Rodgers of Kuhn on Sky Sports.
"He has just got a real soreness in his knee. He got the clash last week at Dundee United.
"We tried to give him every chance but hopefully he will be able to be ready for the next game."