Speaking post-match, Celtic boss Martin O’Neill was delighted to start the campaign off with a win, but warned his team that they must put in better performances for the season ahead. Martin O’Neill wants ‘big improvement’ at Celtic after Dundee winAs Celtic sit top of the Scottish Premiership table, O’Neill admits that while he was happy with the win, Celtic must improve. The Celtic boss told BBC Sportsound, “I think that, in terms of the result, obviously the most important thing is to win the game. MORE CELTIC STORIESO’Neill drops Kasper Hogh Celtic promiseKasper Hogh had a couple of chances, but in truth, the £11m signing was starved of any real service. The Celtic boss said, “Kasper had a number of chances and he could have scored two or three goals quite easily.