[ad_pod ]Ben Foster had a bit of a stinker as Watford suffered a 1-0 defeat to Arsenal in the Premier League on Monday night.Indeed, the goalkeeper was at fault for the only goal of the match as he lost control of a back-pass which saw Pierre-Emerick Aubameyang finish from close range.The result was huge for Arsenal as it moved them back into the top four, and indeed just one point off third-placed Tottenham Hotspur.The battle for a top-four position this season is just as fascinating as the title race, with Manchester United in sixth but just three points off third.It goes without saying that the Tottenham fans wanted Arsenal to lose against Watford.And a number of the London club's supporters have taken to social media to criticise Foster for helping the Gunners secure all three points.Pl>ymaker FC Exclusive: Jermaine Jenas reveals he would have snubbed Tottenham for Arsenal if they'd come knocking in 2005...Indeed, many feel that Foster turns into the best goalkeeper in the world against their club, but is more than prepared to hand Arsenal an easy goal.A selection of the Twitter reaction can be seen below: