Swedish born striker Robin Quaison stared in Mainz's 3-1 win over Jurgen Klinsmann's Hertha Berlin in the German Bundesliga.
Robin Quaison showed incredible positioning and finishing throughout the game. He scored his first just before the half time whistle.
The 26 year old striker doubled his tally at the start of the second half and sealed the matchday ball after converting a penalty late in the match.
Former AC Milan striker Piatek and his Hertha strike partner Pascal Koepke struggled to create goal chances at the other end.
Mainz defender Jeffrey Bruma scored Hertha's consolation goal late in the game before Marius Wolf was sent off for a second yellow card.
Robin Quayson has been prolific for the Bundesliga outfit, scoring 11 goals in 20 games in the league this season.