Complex sentence: He scored his first goal for Hearts in a 2-2 draw with St Mirren in the Scottish Cup 6th round at Tynecaste on 10th March and was unlucky to have a second goal wrongfully ruled out for offside.
Split into simpler sentences: He scored his first goal for Hearts in a 2-2 draw with St Mirren in the Scottish Cup 6th round at Tynecaste on 10 March. He was unlucky to have a second goal in the same match wrongfully ruled out for offside.