Millwall were comprehensively beaten 0-3 by Middlesbrough at The Den in the English Football League Championship on August 16th, 2025. Boro delivered a statement performance with a dominant away victory, showcasing their promotion credentials early in the season. The visitors took control from the outset, scoring a well-worked opener inside twenty minutes and adding a second just before half-time to deflate the home crowd. Millwall offered little in response, and Middlesbrough sealed the match result with a third goal midway through the second half. This heavy defeat leaves Millwall at the foot of the early table and piles pressure on the manager, while Middlesbrough's perfect start will excite their travelling fans. The head-to-head record now shows Middlesbrough's superiority in this fixture.