Manchester United are keeping tabs on contract talks between Micah Richards and Manchester City.

The Mirror says negotiations have stalled over Richards' demand for a buy-out clause to be inserted in the new agreement.

Although there is no suggestion the talks are in danger of collapsing, it is clear the situation is some way from being resolved.

Chelsea made known their interest in Richards back in January, but did not follow it up with a firm offer, while City's rivals United are said to be considering a move for the player next summer.