Goals from former Boro striker Patrick Bamford, Helder Costa and a brace from Mateusz Klich condemned the Teessiders to their heaviest defeat of the season. Our Boro writer Joe Nicholson has dished out his player ratings following the match. Scroll down and flick through our gallery to see his marks:
1. Aynsley Pears - 5
Left helpless for three of the goals but could have done better in the build-up to Bamford’s opener. Made some decent stops to keep the score down. 5 Photo: Frank Reid
2. Jonny Howson - 4
Made a few forays forward as Boro rallied in the first half. Was exposed on the right flank after the break as Leeds moved through the gears. 4 Photo: Getty Images
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3. Daniel Ayala - 5
Unfortunate deflection resulted in the second goal. Made some important blocks and interceptions but couldn’t stop the Leeds onslaught. 5 Photo: Getty Images
4. Dael Fry - 4
Made some loose clearances under pressure as he struggled to deal with Leeds’ fluent movement and slick passing. 4 Photo: Getty Images