Dele Alli was spotted back at the Tottenham Hotspur Stadium as Spurs beat Brighton on Saturday afternoon. Ange Postecoglou’s side picked up a 2-1 win over the Seagulls thanks to goals from Pape Matar Sarr and Brennan Johnson. Spurs fell behind in the 17th minute after Pascal Gross tucked away a penalty following a rare error from Micky van de Ven. But they battled back in the second half and Johnson’s late winner led to jubilant scenes in north London at the full-time whistle. One man who was part of the celebrations was Dele Alli, who was spotted watching on at his old home. Dele spotted back…