By Matt Hardy Unai Emery has called upon his Aston Villa side to win their first top flight European tie since 1983 in honour of Gary Shaw, who won the cup with the Midlands outfit. Shaw, who was a key part of the victorious 1982 European Cup team, died on Monday at the age of 63. Aston Villa are tonight playing Young Boys in their first top flight continental tie since 1983. “We have a memory always, in our training ground a picture of 1982 and the European Cup, he was a protagonist of that,” Emery said.“Yes, I think it’s sad and we can use it as motivation.” Villa reached the semi-finals of …