But Croft, part of the Lions squad that enjoyed a triumphant tour to Australia in 2013, has been fit to play a full part in pre-season training with Leicester.
And Cockerill hopes the end to Croft's problems is in sight.
"Tom has trained and done everything so far," Cockerill told the Leicester Mercury.
"I have no issues with him at this point and he should be on target to play in some pre-season games and certainly start the season."
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