Tottenham Hotspur manager Ange Postecoglou has praised Brennan Johnson for his impressive technique and his attitude. The Tottenham boss, speaking to football.london, says the Spurs forward “has understood” what is required on the training ground and in matches. Tottenham signed Johnson last summer for a reported £47.5million fee, and the 22-year-old has featured plentifully in his maiden season so far. Johnson has made 20 competitive outings for Tottenham since his switch from fellow Premier League side Nottingham Forest, with whom he started the season. He was thrown in at the deep end earli…