By Daniel Orme Graeme Souness has torn into Tottenham’s signing of Timo Werner and claimed the ex-Chelsea man is a “stocking filler”. The north London side areon the verge of signing the German forward on a six-month loan deal from RB Leipzig. They will have an option to sign him permanently in the summer. Werner’s switch signals his first return to the Premier League since an inconsistent stint across the capital with Chelsea. Ex-Liverpool man Souness is not particularly convinced by the deal and believes the striker is simply a stop-gap for Ange Postecoglou. “He needs five opportunities to s…