Unal shared a picture on Instagram after the game expressing his delight at hitting another milestone in his career.
The 18-year-old striker added the following caption: “Wonderful night and first hattrick of my professional career.”
The Turkish international was in fine goal scoring form showing impressive technique and finishing ability in finding the back of the net three times.
Unal will be hoping City manager to be Pep Guardiola has been keeping track of his recent form as he has seven goals in eight games for the Dutch side.
The victory took NAC into 3rd place – 13 points behind leaders Sparta Rotterdam. The Dutch outfit will book a place in the play-offs for promotion to the Eredivisie if they manage to stay in the top four until the end of the season.