A dire first-half display saw the Swans pull into an insurmountable lead, with Rhian Brewster’s brace and Andre Ayew’s penalty enough to seal victory.
Boro huffed and puffed in the second half, but failed to break down their stubborn visitors - who were deserved victors.
But how did Boro’s players perform? Scroll down to see how Joe Nicholson rated the displays:
Read More... But how did Boro’s players perform? Scroll down to see how Joe Nicholson rated the displays:
5. Dael Fry Recalled to the starting XI but endured a difficult afternoon against Brewster and co. 4 Photo: Alex Davidson
6. Paddy McNair Tried to get on the ball and made a few probing runs, yet Swansea’s midfield dominated. 4 Photo: Alex Davidson
7. Lewis Wing Started in the number 10 position but was hardly involved as Boro failed to create any clear-cut chances. 3 Photo: Harriet Lander
8. Adam Clayton Bypassed in midfield as Gallagher regularly found space and punished Boro in the first half. Clayton was also withdrawn at the break. 3 Photo: Alex Davidson