Atalanta coach Gian Piero Gasperini says it is a “historic” week for his side whether they win their Europa League semi-final against Marseille on Thursday or not. The Italians, who have never reached this stage in Europe before, host the French side with the scores locked at 1-1 from last week’s first leg. “Even without the final it will be an extraordinary year,” he told a news conference on Wednesday. Atalanta also face Juventus in the Coppa Italia final on May 15, having only won that competition once before in 1963. But for now, the Europa League second leg is “the most important match of…