Diego Costa has scored for Chelsea already, but the Brazilian looked to be offside, what do you think? Did the West Brom defence step up in time? Have a look at the video and see what you think.
SEE MORE:
Ten Premier League Players You May Have Forgotten Existed
World’s Ten Most Wanted Players In 2004 – Where Are They Now
(Image) Oops! Chelsea Twitter Posts Picture Featuring Glaring Error