Between 1981 and 1984, something odd was happening in Spanish football. You wouldn't find either Barcelona or Real Madrid at the top of La Liga at the season's end. Nor even Valencia.

Instead, the power was centred in the Basque region - San Sebastian and Bilbao to be precise - as Real Sociedad and Athletic won two league titles each. Scott Oliver joins Martyn to tell this fascinating tale and explain what was going on, the political backdrop, how both sides were put together and the subsequently more vicious rivalries with the bigger Spanish sides.

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