The Reds were beaten 3-1 by Hull City on Sunday and it was the lacklustre performances from Victor Moses and Raheem Sterling - in place of injured pair Daniel Sturridge and Philippe Coutinho (second-half sub) - that alerted Rodgers to the fact.
"The quality of our squad isn't big enough to cope with two big players like that missing. No doubt it was a disruption," he said.
"This little period will test us now but players will come in and it's a great opportunity to a stake a claim.
"We have a very busy period coming up and we've got a squad that needs as many of its good players as possible so it's not ideal."
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