George Saville scored his first goal of the season to help Middlesbrough to a narrow 1-0 win away to Championship leaders Bristol City.
The Northern Ireland midfielder popped up in the 73rd minute to score the winning goal at Ashton Gate, dispossessing defender Taylor Moore and slotting it home to end City's unbeaten start to the season.
They're overtaken at the top of the standings by Reading, who had just enough to see off pointless Wycombe Wanderers 1-0 at the Madejski Stadium.
The Royals made it five wins from six games to lead the league by three points thanks to a 64th-minute goal from Lucas Joao that preserved their unbeaten start to the new campaign.
Elsewhere, Chris Hughton didn't get off to his dream start as Nottingham Forest boss as they were held to a 1-1 draw by Rotherham United at the City Ground.
Daniel Barlaser opened the scoring from the penalty spot for the visitors, but Sammy Ameobi rescued a point for Forest with 11 minutes remaining.
Elsewhere, an own goal from Martin Cranie and a further strike from Connor Mahoney saw Millwall move up to fourth with a 2-0 win over Luton, while Swansea dropped to fifth after being held 1-1 at Coventry.
Huddersfield were 1-0 winners over Derby County, who were without Wayne Rooney, while Norwich saw off Birmingham 1-0.