The Swiss-born Ghanaian attacker netted his 10th goal of the season for FC Nürnberg in the German Bundesliga 2 on Saturday evening.
He scored the second goal of the match to put the hosts 2-0 up as they beat Fortuna Düsseldorf in the German second tier to secure another season in Bundesliga 2.
Duah from the bench after 68 minutes of the match to take the place of Felix Lohkemper when his team was leading 1-0.
Just 10 minutes into the game, Nathaniel Brown gave the hosts the lead with a brilliant finish as the first 45 minutes of the match ended 1-0.
Three minutes into the additional time period of the match, Duah added the icing on the cake goal to make the final score 2-0.
The 26-year-old Ghanaian forward has 10 goals in 28 matches for FC Nürnberg this season in Germany.
