Sunderland suffered their third defeat of the Championship season as they lost 1-0 at Middlesbrough. Riley McGree scored the only goal of the game inside the opening half-hour, while at the other end the Black Cats offered little threat.
Ross Stewart picked up a thigh injury in the warm-up which meant he had to drop out at the last minute, and his absence was a massive blow. For new head coach Tony Mowbray, it was his first taste of defeat since taking charge, having won his first outing at home to Rotherham United last weekend.
Sunderland stay eighth in the table, while Boro climbed out of the relegation zone and up to 17th place.