Complex sentence: The season saw Newport achieve a second "Great Escape" after that of 1976--77, having been 11 points adrift in March, they avoided relegation on the final day of the season.
Split into simpler sentences: The season saw Newport achieve a second "Great Escape" after that of the 1976--77 season. Having been 11 points adrift in March, they avoided relegation on the final day of the season.