Complex sentence: By now, Heighway was a regular for the Republic of Ireland making his debut on the 23 September 1970 against Poland, he remained so for the whole of the 1970s, winning a total of 34 caps.
Split into simpler sentences: By now, Heighway was a regular for the Republic of Ireland making his debut on the 23 September 1970 against Poland. He remained so for the whole of the 1970s, winning a total of 34 caps.