The on-loan Chelsea striker struck twice in the 2-1 win.
O'Neill said: "Lukaku was very strong and he looks like he has a good future ahead of him. He was a handful."
Tribal Football Staff are dedicated to the football tribes from all over the world. Our team is passionate about delivering football news to our hundreds of thousands of followers in all the corners of the globe. Football is life, It never stops, Neither do we.