The Morocco international beat six Baggies defenders before calmly slotting into the bottom corner from the edge of the box.
Relive the solo effort here:
— Southampton FC (@SouthamptonFC) 17 de novembro de 2017
The #PL Goal of the Month award for October goes to... Sofiane Boufal! #saintsfc pic.twitter.com/gyTWMUqaqk