Goals from Emile Smith-Rowe, Nicolas Pepe and Willian were enough to confirm the Baggies’ relegation from the top flight, despite another great showing from Matheus Pereira.
It looked as though substitute Nicolas Pepe’s 86th-minute effort had given the hosts a narrow advantage to take to the Czech Republic for next week’s second leg.
Mikel Arteta led Arsenal to win the FA Cup the last time they faced Chelsea in August, but less than five months on the Spaniard was under intense pressure after a run of one win in 10 league games.
Arsenal passion was in evidence before the kick off when Eddie Nketiah and Dani Ceballos clashed in the warm up, a late challenge led to the two squaring up and needing to be separated
The Brazilian will become Mikel Arteta’s first signing of the summer when he arrives at the Emirates on what Standard Sport understands is a three-year deal.
The attacker’s future has been in the balance for some time, with negotiations drawn out over the renewal of his contract and the winger looking for a three-year deal amid interest from London rivals Arsenal.
Manchester United’s thumping of Bournemouth earlier on Saturday had seen them leapfrog the Blues, but Frank Lampard’s side responded with a comfortable victory at Stamford Bridge.
It was a result that handed Liverpool the Premier League title, their first league championship win in 30 years
The two wingers, officially out of contract at Stamford Bridge on June 30, cut it fine before Tuesday’s cut-off date for the extensions to be agreed.
The result solidified Chelsea’s position in fourth and moved them to within two points of Leicester in third, while Everton’s bid for European football next season took a dent with Carlo Ancelotti’s men ending the day in 12th
Willian put the Blues into the lead during the early stages, before a wild challenge from Paulo Gazzaniga on Marcos Alonso gave the Brazilian the chance to double his side’s lead before the break.
Christian Pulisic rewarded Frank Lampard’s decision to hand him a first league start since August as his first Chelsea goals came in the form of a hat-trick in a 4-2 win over Burnley at Turf Moor.
Having wasted a number of opportunities in the first half, Chelsea finally made the breakthrough shortly after the restart through Jorginho’s penalty, before Willian wrapped up the points 15 minutes from time.
A late goal from Marcos Alonso has earned Chelsea a 1-0 win over Slavia Prague in the first leg of their Europa League quarter-final.
A late Eden Hazard strike has earned Chelsea 1-1 draw with Wolverhampton Wanderers in Sunday’s Premier League fixture at Stamford Bridge.
Willian opened the scoring with a first-half penalty and after Callum Hudson-Odoi added a second, Willian wrapped up the win with a well-taken third in the closing stages.
Willian’s second-half strike has earned Chelsea a 2-1 win over Newcastle United at Stamford Bridge that strengthens their grip on fourth place in the Premier League.
Eintracht had already comfortably taken top spot in the group, thanks to winning all five of their previous games, while Lazio were also in the last 32 regardless of the result of the match
The out of favour Nigerian replaced Willian in the 57th minute
The English striker sent a long-range shot dipping over Kepa Arrizabalaga in the final minute of normal time to cancel out Eden Hazard’s crisp finish, which for so long looked like being the winner.