Sunderland clinched promotion to the English Premier League after an eight-year absence as Tommy Watson’s stoppage-time strike sealed a dramatic 2-1 win against Sheffield United in the English Championship play-off final on Saturday. Regis Le Bris’ side trailed to Tyrese Campbell’s first-half goal at Wembley, but Eliezer Mayenda equalised in the closing stages before Watson delivered the priceless last-gasp winner. …