Manchester United legend Gary Neville has insisted that there are already two clear frontrunners to replace Gareth Southgate as the next England manager. Gareth Southgate took charge of England in 2016 after Sam Allardyce stepped down from the role and led the Three Lions to four major international tournaments. The 53-year-old was unable to end England’s long-running silverware drought and fell short of capturing the Three Lions’ first major honour since the 1966 World Cup. England reached the semi-finals of the 2018 World Cup in Russia under Southgate before the Three Lions finished as runne…