The right-back’s fourth strike for the Reds was an unstoppable set-piece curled into the top corner at Vicarage Road during a 3-0 victory.
And Alexander-Arnold’s effort took the majority of votes in our poll on Liverpoolfc.com.
The goals from Xherdan Shaqiri and Mohamed Salah against Fulham finished second and third respectively.
Salah took fourth with his close-range finish past Watford and Adam Lewis’ goal against Red Star Belgrade U19s in the UEFA Youth League took fifth spot.
Watch the top five again below.