Tottenham faced Brighton at home in Premier League matchday 24 with Son Heung-min returning from the Asia Cup, and Sarr and Bissouma from the Africa Cup.
Spurs won after coming from behind to beat Pascal Grob's 17th-minute penalty. Pape Sarr's goal equalised in the second half and in stoppage time Johnson scored to make it 2-1.
After the match Postecoglou was delighted with Son's return after being eliminated from the Asian Cup with South Korea and said the Korean player is a top player with immense quality.