Walker's signing marks another ambitious move by WWE as it recruits top college athletes for its next wave of superstars under Chief Content Officer Paul "Triple H" Levesque.
Michael Leavitt, Karoline's brother, said that their 11-year-old son lives full-time with him and his wife, but has always been able to maintain a relationship with his mother.
Event organizers said the Philadelphia athlete violated a rule that requires competitors to participate in the division that aligns with their biological sex at birth.
Michael Leavitt, who shares an 11-year-old son with Ferreira, said the boy lives full-time with him and his wife, but has always stayed in touch with his biological mother.