The long-serving centre-back was the last key figure of Boro’s 2015/16 promotion-winning side which provided some great memories under Aitor Karanka.
We’ve taken a closer look at what has happened to the squad four years after they reached the Premier League.
Scroll down and flick through the pages of our picture gallery to see the players who made five or more appearances for Boro during the 2015/16 campaign:
Scroll down and flick through the pages of our picture gallery to see the players who made five or more appearances for Boro during the 2015/16 campaign: