Ruari Duff, born 21 April 2010 (age 16), is a Scottish central defender with St Mirren. He is listed in the Paisley club’s squad wearing number 41.
There is little need to dress that up. Duff is a young defender at the start of his professional career, with St Mirren the club attached to his senior profile so far.
📈 Key stats and insights
Ruari Duff is 16 and plays as a central defender for St Mirren
Ruari Duff is registered in the 2026-27 Premiership squad
Ruari Duff has zero appearances and zero goals across league and domestic cups this season
Last updated 2 October 2026. Send feedback
