Albion's miserable end to the season continued after the Baggies signed off with another defeat.
Despite a top-ten finish, Albion failed to win a game since the end of March and collected just five points from their last 10 games.
Here's what the papers had to say on another disappointing afternoon for Albion.
Wasteful West Brom blew a lead and chances to kill the game to finish the season with a bitterly frustrating defeat in south Wales.
Jonny Evans gave the Baggies a deserved first half lead.
A lead West Brom would have built on but for poor finishing with Salomon Rondon the main culprit.
The profligacy proved costly with second half goals from Jordan Ayew and Fernando Llorente sealing the comeback.
It was a final day defeat that will leave an especially bitter taste given the chances Albion had to bury the match and any hope of a Swansea revival.
Just like last season, Tony Pulis's team ended their campaign on a nine-game winless streak, and they have their wasteful striker Salomon Rondon to thank for that.
They finished tenth. It is the first top-half finish in the Premier League of Pulis's career but at the start of today, it was the worst realistic outcome.
The season finishes then with mixed emotions. For four months this team was electric, sweeping aside all those outside the top seven with aplomb, but now the squad looks dangerously thin and in need of additions.
Paul Clement had given his players permission for a two-day break after they had taken 26 points from 18 games since his January appointment, but the trip did not appear to agree with Swansea as West Brom were the sharper of the two sides from kick-off.
Salomon Rondon might have had a hat-trick inside the opening 20 minutes had he brought his shooting boots to south Wales.
Instead Kristoffer Nordfeldt, making his first league appearance since the final day of last season with Lukasz Fabianski given the day off, simply had to field soft finishes.
Have your say on Albion's defeat at Baggies Banter.