Tottenham have been absolutely terrible recently. Four consecutive league losses is Spurs’ worst run in 20 years, and it’s not hard to figure out what is going wrong at Tottenham. Ange Postecoglou’s side are being outclassed in the midfield, but the main issue as of late has been set-pieces. Recent matches against both Arsenal and Chelsea were decided by set-plays, and it’s clear that Tottenham do have an issue in this area. Ange Postecoglou apparently believes this to be a personnel issue rather than a tactical problem, and according to Tim Sherwood, speaking on The Kelly and Wrighty Show, Gu…