James Garner made his Manchester United debut in February 2019, coming on as a late substitute in United's 3-1 win over Crystal Palace
Championship club Watford have signed Manchester United midfielder James Garner on a season-long loan.
Garner, 19, started three Europa League games for United last season and has played seven first-team matches in all since his debut in February 2019.
Garner captained England Under-17s during the 2018 European Championships, reaching the semi-final stage.
He could make his debut for the Hornets in Saturday's away league game at Sheffield Wednesday.
Watford, relegated from the Premier League last term, won their season opener 1-0 against Middlesbrough on 11 September.
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