Newcastle United have it all to do against Brentford on the final day of the Premier League season. Eddie Howe’s side lost in rather disappointing fashion against Manchester United on Wednesday as Newcastle’s defensive frailties were again exposed. It means they surely must win in west London on Sunday to stand any hope of qualifying for Europe. Should they beat the Bees and sixth-placed Chelsea lose at home to Bournemouth, they would finish sixth. While it’s not yet clear as to whether or not it will be in the Europa League or Conference League, three points would set the Toon off on another …