The highly-experienced centre-back, 31, was released by Blackpool this summer and has been signed by Rovers on a non-contract basis.
He has also played for Blackburn, Sheffield Wednesday, Preston and Stoke and has England caps at Under-19 and Under-21 level.
In a further boost, club skipper Ian Goodison and utility player Gareth Edds are set to return after missing Saturday's 2-0 defeat at Yeovil on Saturday through suspension.
Striker Bas Savage is not expected to play until the New Year because of a ruptured Achilles tendon injury, which he sustained towards the end of last season.
On-loan Blackburn defender Gavin Gunning is ineligible to face the Mariners at Prenton Park.