MANCHESTER CITY will become the first English team in history to win 50 games in a season – if they can beat Watford in the FA Cup final. Pep Guardiola has led his side to 49 wins this term across the Premier League, Champions League, Carabao Cup and FA Cup. At one stage they were even on for a famous quadruple – until Tottenham knocked them out of Europe in the most thrilling of quarter-finals. Now, should Man City beat Watford in this month’s FA Cup final, they would reach the magic half-century of wins. The Etihad squad are already the biggest English winners in history with their tally of 49 victories. City’s 2017-18 squad previously held that crown with 44 wins – level with the 2008-09 Manchester United team.TREBLE MAKERS But they have blown their own record out of the water, already going five better with a game to go. Everton sit fourth on the list with 43 wins in the 1984-85 season – with four teams on 42 wins in a single season. Chelsea managed it twice in 2004-05 and 2006-07, while United did so twice too – in 2002-03 and 2006-07. Four teams have also managed 41…