UPDATE 2-Soccer-Balotelli brace helps Italy beat brave Malta

* Italians win 2-0 away but Malta miss penalty * Italy reserve keeper De Sanctis quits internationals (Adds quotes) By Kevin Azzopardi TA'QALI, Malta, March 26 (Reuters) - Mario Balotelli extended his rich vein of scoring form as he hit a brace to inspire leaders Italy to a 2-0 win at a spirited Malta team in a World Cup Group B qualifier on Tuesday. Italy strengthened their grip on top spot by ...