Get the latest United transfer window updates, pre-season news and analysis delivered straight to your inbox every day for free Anthony Martial has told his Manchester United teammates they need to match the fitness and physicality of Marcelo Bielsa's Leeds players on the opening day of the Premier League season.
United welcome their fierce rivals to Old Trafford on Saturday lunchtime, when a capacity crowd will return to the stadium for the first time in 17 months.
This was a fixture Ole Gunnar Solskjaer's side won 6-2 last season but Leeds are one of the fittest teams in the Premier League and every game against them is a physically demanding test.
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