Brentford had to settle for a point with a 2-2 draw to 10-man Blackburn Rovers as Bees fans got a glimpse of their new stadium for the first time.
Rovers opened the scoring in the 19th minute through Joe Rothwell before Ivan Toney equalised from the penalty spot eight minutes before half-time.
Darragh Lenihan was then sent-off for his foul on the striker before Sergi Canos made it 2-1 to Brentford on the hour.
But Rovers snatched a point three minutes from time through a Jacob Davenport strike.
Millwall supporters also returned to The Den for the first time as the Lions faced Derby County but appeared to boo as both sets of players took a knee in support of the Black Lives Matter movement ahead of the game.
The match itself saw the Lions lose 1-0 to the struggling Rams with Jason Knight striking the winner in the 69th minute.
Elsewhere, QPR recorded a third straight loss away to Huddersfield Town, losing 2-0 at the John Smith’s Stadium.
Josh Koroma opened the scoring early on before providing the assist for Harry Toffolo to score the Terriers’ second.
In League One, following a short turnaround of games recently, AFC Wimbledon put in a tired performance to lose 4-2 to Bristol Rovers at Plough Lane.
Five goals were scored in an end-to-end first half, with Dons striker Joe Pigott converting a fifth minute penalty he had won before Sam Nicholson equalised shortly afterwards.
Brandon Hanlan put Bristol Rovers in front with a glancing header before Ben Heneghan levelled the scores once more on the half-hour mark.
Hanlan then made it 3-2 just before half-time with Nicholson sealing the win in the 64th minute.
Meanwhile, Charlton Athletic were left frustrated as they were held to a 1-1 draw away to Shrewsbury Town.
Ben Watson’s deflected effort had the Addicks on course for victory before Ollie Norburn’s stoppage-time penalty earned the Shrews a point.
And in the day’s early kick-off, Leyton Orient’s three match unbeaten run came to an end with a 2-0 defeat away to Scunthorpe United.
Ryan Loft opened the scoring in the 28th minute for the Iron and, after soaking up long spells of Orient pressure, Alfie Beestin rolled in a decisive second 12 minutes from time.