Chelsea's surprise 5-2 defeat by West Bromwich Albion at Stamford Bridge was not only a humiliating home loss but also a big opportunity missed to strengthen their position in the Premier League's top four.
Christian Pulisic was able to put the Blues ahead in the 27th minute, after Marcos Alonso's free kick had been tipped onto the post, but things became complicated just moments later when Thiago Silva was sent off for two yellow cards.
That feeling was only accentuated when Matheus Pereira got an equaliser for the Baggies, then went on to add a second a couple of minutes later.