Sunderland goalkeeper Craig Gordon admits their Premiership future could be decided against Northeast rivals Middlesbrough.

He said: "The dressing room is very low but we've a big game against Middlesbrough. That has to be the most important thing now. We're still not safe. This weekend's game has become massive.

"For most of our players it will be one of the biggest games they've ever played in. There's so much riding on it."