Ahead of the summer transfer window, it seems as if Tottenham Hotspur have already begun thinking about their most important targets. Ange Postecoglou will of course welcome Lucas Bergvall to the club in the off-season, a special young talent who should make an impression immediately. But even with Spurs’ January business considered, it’s clear that further work will need to be done. Ange Postecoglou’s tenure has started with incredible promise, but Saturday’s defeat against Wolverhampton Wanderers proved there’s still work to be done. In fact, performances in February as a whole so far will p…