Celtic have to 'go at' LASK despite lead

Martin O'Neill guided Celtic to a 3-0 win in the first leg [PA Media]Celtic cannot try to defend their aggregate lead in the second leg of their Champions League play-off against LASK, according to the club's former striker Cillian Sheridan.Martin O'Neill's side won last week's first leg 3-0 at Parkhead thanks to some sparkling attacking play, although the Austrian champions did also have several chances.Sheridan says Celtic must adopt a similar gameplan in Austria on Tuesday if they are to reac