Sabastine is expected to be unveiled in the coming days subject to successful medical and agreement of terms.
The 18-year-old will be the third Nigerian player to join the club in the last 12 months after Rofiat Imuran and Tosin Demehin.
The three players featured at the 2022 FIFA U-20 womens World Cup in Costa Rica.
Demehin and Imuran were part of the Super Falcons squad that reached the 2023 FIFA womens World Cup in Australia and New Zealand.
Sabastine helped Bayelsa Queens finish third at the second edition of the 2022 CAF womens Champions League in Morocco.
She got her first call-up to the Super Falcons ahead of their 2024 WAFCON qualifiers against So Tom and Principe.
However, So Tom withdrew from the qualifiers, paving the way for the Falcons to progress into the second round where they will face Cape Verde.
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