Carlisle released six first-team players last week - Danny Carlton, Chris Lumsdon, Luke Joyce, Chris Howarth, Lewis Neal and Jeff Smith.
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Midfielders Chris Lumsdon, Paul Thirlwell and Marc Bridge-Wilkinson have all been sidelined while striker Michael Bridges and defender Peter Murphy have also been absentees.
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Bridge-Wilkinson will return for Saturday's trip to Stockport County in League One while Lumsdon is two weeks away from his long-awaited comeback from a back injury.