All three withdrew from global duty through injury and are unlikely to feature against Dundee on Saturday.
Rodgers is hoping to have most of the quintet back for next week's UEFA Champions League game at Bayern Munich. They've come through very, very well.
Famous Jodrell Bank nominated for becoming a world heritage site
The staff at the observatory is now giving the final touch to nomination papers that will be submitted to UNESCO in January 2018. More than 185,000 people visit Jodrell Bank's Discovery Centre each year, including 26,000 school pupils on educational visits.
"They'll join the squad tomorrow for training and maybe Saturday is too soon for them but certainly Bayern Munich should be fine".
Captain Brown and fellow midfielder Armstrong both missed Scotland's World Cup qualifiers because of hamstring and calf injuries respectively, while central defender Simunovic had to sit out worldwide duty for Bosnia.
"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".
Google pledges $1 billion to fund non-profit education
The Grow with Google initiative will work with US communities to provide job skills and small business growth advice. This initiative will also be touring the country in the coming months to provide hands-on training.
Rodgers was named Scottish Premiership Manager of the Month for September after guiding Celtic to three wins and a draw.
He said: "We have confidence and no matter who we play we'll give 100% and try to get the result".
Having both players invovled would be a huge boost for Celtic.
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Com a saída de Brandão, agora, um sucessor deve estar definido até o início do próximo ano. O banco tem um regulamento que proíbe executivos de ocuparem dois cargos ao mesmo tempo.
"It makes me very satisfied that you can see the professionalism of the players, when they can be out the team for a few games, and for some players not even on the bench, but when they're asked to come in and play and perform they do that".