Grimsby Town have signed experienced defender Robbie Stockdale, who was recently released by League One side Tranmere Rovers.

The former Middlesbrough man, 28, has agreed a deal running until 2010.

Stockdale came through the youth system at the Riverside Stadium before playing for Rotherham, Hull and Tranmere.

The experienced right-back made more than 50 Premier League appearances during his spell on Teesside as well as playing five times for Scotland.