Scottish Premiership clubs. Mailsport understands Dundee United and Motherwell have both registered an interest in the former Sunderland striker.
Shields has bagged 11 goals in the Scottish Championship this term and is now out of contract at Palmerston.Dundee - who have a Premiership play-off tie against Kilmarnock on Monday - are also keen on the 23-year-old.
Scouts from city rivals United and ‘Well have watched Shields for Queens this season and could make a move as the summer transfer window approaches.Meanwhile, Preston are keen to sign Scottish defender Liam Lindsay on a permanent deal.
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