The race for Manchester City contract rebel Jadon Sancho is heating up.

The Mirror says German giants Borussia Dortmund have joined the battle for Sancho.

The England Under-17 winger has been left behind from City's US tour, as he continues to stall over a new contract.

City are understood to have offered him a three-year contract, worth £30,000-a-week.

Arsenal and Tottenham are both monitoring his situation.