Few would have predicted that French striker David N’Gog would retire at an early age when Liverpool signed him in the summer of 2008having only penned his first professional career two years earlier at the Parc des Princes. He came through the ranks at Paris Saint Germain (PSG)before making his debut for the French Ligue 1 team in 2006. Spanish tactician Rafael Benitez was the Liverpool manager when David N’Gog left PSG to join the Reds. On his transfer,…