Having joined from Huddersfield Town in January, defender Cranie leaves the club at the end of his short-term contract.

It is the end of a four-and-a-half year stay on Teesside for goalkeeper Mejias, who arrived from Real Madrid in 2014.

Meanwhile, Lewis Baker, Mo Besic and Jack Harrison head back to their parent clubs, Chelsea, Everton and Manchester City respectively, at the end of their loan deals.

Antonio Barragan, Martin Braithwaite, Julien De Sart and Ashley Fletcher return to Boro after spells out on loan.

A number of Academy players will also leave Boro this summer.

First Team players released at end of contracts:

Martin Cranie

Tomas Mejias

Under-23s not offered new contracts:

Tom Brewitt

Matthew Elsdon

Liam Hegarty

Jakub Sinior

Robbie Tinkler

Academy Scholars not offered new professional contracts:

Liam Cooke

Kieran Storey

Jay Wilson

Middlesbrough Football Club would like to take this opportunity to thank all departing players for their contribution throughout their time at the club.