Defender Yisa Alao in action for Sheffield Wednesday against PortsmouthGetty Images
Chelsea have signed teenage Sheffield Wednesday defender Yisa Alao for an undisclosed fee on a two-and-a-half-year deal.
BBC Sport understands the Premier League side have paid around £500,000 for the 17-year-old.
Alao made five appearances for the administration-hit Championship club after making his debut aged 16 in August.
Wednesday's administrators said in a statement: "Our responsibility is to act in the best long-term interests of Sheffield Wednesday and its creditors.
"This transfer balances immediate value for the club with protection for the future, should Yisa's career develop as we all hope."
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