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Nneka Ogwumike’s petition to play for her native Nigeria in the Tokyo Olympics has been denied.

According to ESPN, sources have said that the denial is due to Ogwumike’s “substantial involvement” of more than 10 years with Team USA.

The Nigerian Basketball Federation filed an appeal to FIBA on behalf of Ogwumike and Elizabeth Williams, who was also denied due to her previous involvement with Team USA.

Both Ogwumike and Williams were given consent by USA Basketball to play for Nigeria and paid an administrative fee of $10,000. Both hold Nigerian passports.

Ogwumike is also reportedly exploring her options, including a possible application to the Court of Arbitration in Sport. She originally pursued playing for Nigeria after being snubbed for Team USA and was hoping to play with sisters Chiney and Erica in Tokyo.