Celtic have locked on Marc Leonard, 24, and will track the Birmingham City midfielder through his final three games on loan at Heart of Midlothian. The Ibrox side are also eyeing 22-year-old Falkirk striker Barney Stewart to strengthen their attack this summer.

RB Leipzig are closely tracking Arne Engels, 22, with a Celtic exit planned. Clubs from the Premier League, Serie A, and La Liga are also interested in the midfielder. Raith Rovers aim to retain 20-year-old Paul Nsio, on loan from Rangers, as talks with the Scottish Championship club are underway.

Dundee defender Ryan Astley, 24, wants to stay at Dens Park despite being out of contract this summer. These moves signal a busy summer for Scottish sides, with key players at the center of potential transfers.