Get the latest United transfer window updates, pre-season news and analysis delivered straight to your inbox every day for free Jadon Sancho has already warned England teammate Kalvin Phillips to 'watch out' ahead of his potential Manchester United debut.
Sancho, 21, officially completed his move to United on Friday afternoon and is eyeing up his first match for the club after leaving Borussia Dortmund.
The England international is currently enjoying a holiday following the conclusion of the European Championship but could make a cameo in United's final pre-season match against Everton in two weeks' time.
Sancho's first competitive appearance is expected on the opening day of the season at home to Leeds United on August 14 and he could come
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