Jadon Sancho has fuelled speculation of a return to the Premier League, saying the "sacrifice is deep" being away from family and friends.
The 20-year-old England international moved to Germany in 2017 after leaving Manchester City for Dortmund to secure more game time.
Sancho has since established himself as one of the most exciting young players on the planet, and has attracted the attention of Manchester United.
The youngster is tipped to complete a big-money move to the Old Trafford club in the summer and has stoked the flames of this speculation with claims he misses home.
Read more on mirror.co.uk