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Struggling Leicester City were hosting Derby in the replay of a fourth round FA Cup tie after the first leg ended 1-1.

With 10 changes to the side, Leicester took the lead through Andy King, heading a simple ball from Marc Albrighton into the net.

Derby equalised in the 61st minute from an Abdoul Camara deflected free kick.

The game went into extra-time before Ndidi was brought on in the game and it took him just him just a few minutes before he scored with a fierce left-footed striker in the 94th minute.

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That was his first goal for Leicester City since he was signed for £15m.

Demarai Gray sealed the win with a fine goal, curling the ball past the Derby goalkeeper after a darting run into the box.