Phil Jones' once bright future with Manchester United is now a cloud of uncertainty after injuries and failure to settle into a permanent position.
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"We would like to wish Takuma well for his season in Stuttgart," the club said in a statement.
Arsene Wenger is pleased rule changes guarantee four Champions League places for English teams.
Phelan, the caretaker manager of Hull, was assistant to Sir Alex Ferguson at Old Trafford between 2008 and 2013.
Mauricio Pochettino says it is Tottenham Hotspur's "dream" to follow the example of Barcelona by building a team of academy graduates.