Morton have signed defender Gregor Buchanan, who helped Livingston win promotion to the Ladbrokes Premiership.
The 28-year-old also had a spell with St Mirren last season and previously played for Airdrieonians, Dunfermline Athletic and Dumbarton.
Cappielow boss Ray McKinnon told the club website: “I think Gregor is a player who has come on leaps and bounds. He has impressed me over the last couple of years, especially last season with both St Mirren and Livingston."