Charlton Athletic were relegated from the Championship following a 4-0 final day defeat to champions Leeds United at Elland Road.
The Addicks were never in the game with the hosts racing into a 2-0 lead before half-time courtesy of Ben White’s superb volley and a Stuart Dallas strike.
Substitutes Tyler Roberts and Jamie Shackleton doubled the advantage in the second-half as Leeds were worthy winners not just on the night but in the season as a whole.
The defeat was the seventh consecutive match without a win for Lee Bowyer’s Charlton, who slip out of the division thanks to Luton Town’s 3-2 win over Blackburn Rovers.
Brentford fell short in their bid for automatic promotion to the Premier League after a late 2-1 defeat to Barnsley in the final league game to be played at Griffin Park.
The Bees were chasing the goal which would have seen them leapfrog West Brom into second when they were caught on the break by Clarke Oduor in stoppage time.
The Tykes had led through Callum Styles’ strike shortly before the interval before Brentford equalised through Josh Dasilva.
READ MORE: Brentford 1-2 Barnsley, Championship: report, ratings and verdict
Barnsley’s win should keep them out of the bottom three after Wigan’s 12-point deduction for entering administration is applied – although the Latics are appealing the decision.
Fulham also missed the opportunity to sneak into second with a 1-1 draw at the aforementioned Wigan.
Kieffer Moore’s 32nd minute header had given the Latics the lead, only for Neeskens Kebano to equalise with a free-kick four minutes after the break.
Leon Balogun was subsequently denied by a good Marek Rodak save and late pressure amounted to nothing as Wigan failed to find the additional goal they so desperately craved.
Brentford and Fulham’s failure to win confirmed West Bromwich Albion’s promotion to the Premier League – although QPR made them work with a battling 2-2 draw at The Hawthorns.
Callum Robinson had put the Baggies 2-1 ahead after Grady Diangana cancelled out Ryan Manning’s first-half opener for QPR.
However, Ebere Eze denied them the victory which would have made their return to the top-flight after a two-year absence much easier.
READ MORE: Millwall 4-1 Huddersfield Town, Championship: report, ratings and verdict
And finally, Millwall bounced back from missing out on the Play-Offs to end their Championship season with a 4-1 home win over Huddersfield Town.
Second-half goals from Jake Cooper and substitutes Jiri Skalak and Jon Dadi Bodvarsson added to Connor Mahoney’s early opener at the Den.
Karlan Grant replied for Huddersfield to ensure it was level at the break, but the Yorkshire outfit concluded their first term back in the second tier, after relegation from the Premier League, with a 21st loss of the season.
This was the only game in the Championship involving a London club with nothing to play for after Millwall’s top six hopes ended at the weekend with defeat at QPR.