Millwall manager Neil Harris hailed his team's shock 1-0 win at Derby as one of the best away displays of his managerial reign.
Derby's play-off hopes were dealt a blow as Millwall grabbed a vital 1-0 win at Pride Park.
Mason Mount will sit out Derby's home clash with Millwall on Wednesday.
Steve Bruce was far from happy as his Sheffield Wednesday side drew a blank against Millwall in a 0-0 stalemate at The Den, blaming a kit clash for the result.
Sheffield Wednesday continued their unbeaten start under Steve Bruce as they played out a 0-0 draw against Millwall at the Den.
Millwall will hand a late fitness test to Tom Elliott ahead of Tuesday's Sky Bet Championship clash with Sheffield Wednesday.
Swansea's top scorer Oli McBurnie is doubtful for Swansea's Sky Bet Championship home game with Millwall.
Neil Harris admitted he came back down to earth with a bump after watching FA Cup giant-killers Millwall stumble to a goalless draw with Rotherham.
Neil Harris confirmed Jake Cooper admitted he had handled the ball home during Millwall's 'deserved' FA Cup win over Everton.
Jordan Hugill snatched Middlesbrough a point as his 90th-minute penalty secured a 1-1 draw against Millwall.
Neil Harris criticised his Millwall side for switching off after Blackburn grabbed two late goals in a 2-0 victory at The Den.