Tottenham 0-1 Ajax: Pochettino not involved in Vertonghen injury decision Tottenham Hotspur are still “alive” in their Champions League semi-final despite losing 1-0 at home to Ajax in the first leg, says manager Mauricio Pochettino. Donny van de Beek’s goal gave the Dutch side victory over a lacklustre Spurs in north London on Tuesday. “It’s…