Manchester United’s are three games into pre-season, with two more matches remaining. Erik ten Hag’s side have won one and lost two games so far, but you can’t read anything into pre-season wins and losses. Just ask Louis van Gaal, who won every single match of pre-season in 2014, before his team lost a home Premier League opener to Swansea City. All that matters is developing sharpness and fitness, and avoiding injuries. Unfortunately United have so far been unable to escape the latter, with Rasmus Hojlund and Leny Yoro suffering injuries against the Gunners. There have been some good perform…