2015 William Hill Greyhound Derby Preview: Quarter-Finals Night

We're down to the quarter-finals of the William Hill Greyhound Derby and Racing Post Greyhound Expert, Jonathan Kay, once again features to preview the action.

He joins Mark Walton to look ahead to all four heats and also previews the four other televised races on Tuesday evening.

Jonathan talks us through his thoughts in each and offers his one, two, three predictions.

Enjoy.

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