Switzerland-born Ghanaian ahead Kwadwo Duah netted his second objective of the season on Saturday when FC St Gallen misplaced to Grasshopper CZ.
Duah scored one of many comfort targets for the guests who suffered a 5-2 drubbing within the Swiss Super League.
Mamadou Kaly Sene and Leo Bonatini gave Grasshopper a two-goal cushion earlier than the break.
Nicholas Luchinger pulled one again for the guests only a minute into the second half.
Sene scored once more restore the hosts’ two-goal benefit three minutes later earlier than Duah transformed a penalty to cut back the deficit.
Goals from Bendeguez Bolla and Djibril Diani within the seventieth and 84th minutes sealed the victory for Grasshopper.
Black Stars goalkeeper Lawrence Ati-Zigi was within the posts for St. Gallen.
Duah who’s 24 years has now scored two targets for the reason that begin of the season after making 8 appearances within the Swiss top-flight.
