The 23-year-old joins the Cappielow club after spending last season with Ladbrokes Championship rivals Dunfermline Athletic.
Muirhead began his career with Kilmarnock and has also played for Dundee United, Partick Thistle, Hearts and MK Dons.
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Wednesday 12th June 2019
Morton boss David Hopkin has made striker Robbie Muirhead his latest signing of the summer...
The 23-year-old joins the Cappielow club after spending last season with Ladbrokes Championship rivals Dunfermline Athletic.
Muirhead began his career with Kilmarnock and has also played for Dundee United, Partick Thistle, Hearts and MK Dons.