She then spent 2 months on loan at Düvenciler Lisesispor in the Turkish Women's First Football League in 2011, before returning to Delta Queens.

[10] On 21 February 2014, Oparanozie transferred to Ataşehir Belediyespor to play the second half of the season in the Turkish Women's First Football League.

[15][16] Oparanozie has been a regular member of the Nigerian national team since 2010, participating in the FIFA Women's World Cup tournaments of 2011, 2015, and 2019.

[17][18] In April 2019, she was named captain of Nigeria by coach Thomas Dennerby who praised Oparanozie for her 'discipline and good character'.

[19] Following the 2019 FIFA Women's World Cup, in her role as captain, she led calls for equal pay in Nigerian football, citing disparity with the bonuses received by the team's male counterparts.