Leeds United should consider selling star centre-back Pontus Jansson and allow youngsters the chance to impress, according to former manager Simon Grayson.
Marcelo Bielsa could face a fight over his most talented players following the failure to win promotion to the Premier League.
Young winger Jack Clarke has been linked to Tottenham, while Aston Villa are rumoured to be monitoring midfielder Kalvin Phillips.
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Top scorer Kemar Roofe is also entering the final season of his contract and Grayson advised his ex-employers to focus first and foremost on retaining their crop of young prospects.