The City Women's star struck a world class volley against Chelsea in October 2014, controlling the ball before lashing it into the top corner on the angle in one movement.
Fans voted Duggan's goal the winner ahead of Samir Nasri's strike against Roma in the Champions League.
The Frenchman helped to secure City's passage in the knock-out stages of the competition with a thunderbolt at the Stadio Olimpico.
Youngster Kelechi Iheanacho came third for his sublime effort against United for the EDS. The 18-year-old, who is looking to force his way into the first team reckoning this season, beat two defenders before showcasing great composure to finish.
Enjoy Toni's goal again...