By Fasika Zelealem Claims that Rio Ferdinand and John Terry would struggle to adapt to the modern day of football have been waved off by Arsenal icon Ray Parlour. The former midfielder, who was part of the Gunners’ Invincible squad in their 2003/04 Premier League-winning season, has gone on to become a pundit for the likes of BBC Radio 5 Live and talkSPORT since his retirement in 2007. Meanwhile, Ferdinand, 45, and Terry, 43, are still regularly regarded as the two greatest English centre-backs of all-time. Despite their hefty achievements which combine for 11 Premier League titles, two Champi…