For the first time since 2013, Arsenal recorded three successive away clean sheets in the Premier League.
Chelsea head coach Thomas Tuchel has been impressed with Billy Gilmour’s recent performances.
Thomas Tuchel admitted his seven changes to the line-up from the weekend win at Manchester City may have been too many.
Chelsea stumbled to defeat for the first time in six Premier League games.
Chelsea will be looking to rest some of it regulars keeping an eye on the two final ahead, whereas Arsenal will hoping to finish the season on a high in the final few games.
Arsenal beat West Brom 3-1 at home on Sunday and sealed the Baggies' relegation into the Championship..
Arsenal have won 10 of their 12 home PL matches against West Brom.
West Bromwich Albion have stunned Arsenal on their own turf in the past, having recorded a 3-2 triumph back in September 2010.
Victory for Arsenal would relegate West Bromwich Albion from the Premier League for a joint-record fifth time along with Norwich City.
Villarreal held Arsenal to a goalless draw to enter the Europa League final with an aggregate score of 2-1.