David De Gea reportedly wants clarity over Jose Mourinho's future before he signs a new contract with Manchester United.
According to the Mirror's David Anderson, the goalkeeper does not want to put pen to paper amid uncertainty regarding whether the manager will still be at the club next season.
As a result, negotiations over a new contract are "deadlocked."
The Spaniard was in the final year of his deal at Old Trafford, though the club will now have an extra 12 months to negotiate a new pact, according to BBC Sport's Simon Stone:
Simon StoneDe Gea option triggered.