The Nigerian international was filling in at center half for the Foxes recently.
But he has suffered an abductor injury, which will keep him out for roughly three months.
It is a huge blow for Rodgers, who has other injury concerns in his squad as well.
"We are just waiting to hear more on that, but he could be anything between six and 12 weeks," he said of the injury to reporters.
"It is an abductor injury - it may have come off the bone which could be a nasty injury, so we will wait to see if needs an operation - it does then it will be 12 weeks."