All three withdrew from global duty through injury and are unlikely to feature against Dundee on Saturday.
Midfielders Stuart Armstrong and Scott Brown missed Scotland's FIFA World Cup qualifying games against Slovakia and Slovenia with respective calf and hamstring injuries while Bosnia and Herzegovina defender Jozo Simunovic sat out two matches, reportedly due to a hamstring tear.
Brendan Rodgers has revealed that three of his key players are expected to be back in time to play a part in Celtic's clash against Bayern Munich in the Champions League.
"So it was never an injury that was going to keep him out for a sustained period of time but he just felt something and stayed behind to get treatment".
Paris Officially Says It's Phasing Out All Non-Electric Cars
The deadline for those cars is 2024, which is when the city will play host to the Olympic games. Paris is planning to ban all but electric cars by 2030.
"They've come through very well", Rogers said about Brown and Armstrong.
"They will join training, [it's] maybe too soon for Saturday, but certainly for Bayern Munich they should be fine".
Rodgers was named Scottish Premiership Manager of the Month for September after guiding Celtic to three wins and a draw.
"If we play like we did the other night we can give Bayern a tough game".
"There's a huge amount of credit goes to the players for their ability to adapt and perform in every competition they play in and to get the best out of every game".
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