They are currently 57 players on temporary deals plying their trade in the Scottish top tier. Scroll through to see the key players clubs should look to tie down on a longer deal.
The left-back has provided the Dons with a real thrust from defence. He offers another threat from wide areas and is aggressive in his play.
His second spell has not quite worked as hoped but there is no question, as shown at Kilmarnock, this is a player with undoubted talent who would improve the Pittodrie side.
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It is unlikely Celtic would be able to prolong the Croatians stay. However, if they could it would be a real coup. The best defender at the club since Virgil van Dijk.
Despite two big-money moves the Scottish international is still a raw talent. Yet he would give Celtic pace and power in the final third and if his technique is refined a potential money maker.
The wide man has had a positive influence since joining from Aberdeen. It is an area of the pitch Dundee have struggled in but he provides a goal threat and creativity.
There are some player who just have a special connection with a club where they thrive. The Frenchman has that with Accies.
Aside from his 14 goals he has been Hearts talisman, leader, director. The Tynecastle side are a different team without him.
Already a fans favourite, the Belgian with fine hair brings an all-action style to the Hibs midfield with a vision and passing range to match.
The striker has hit the ground running with six goals in seven appearances at Easter Road. He is enjoying his football in Leith and has built a fine relationship with Florian Kamberi.
The Austrian goalkeeper has been a steady presence in the Killie goal since usurping Jamie MacDonald. A formidable build and has that edge we all like in goalkeepers.
This move is unlikely with the player signing a one-year contract extension with parent club Rangers but if in pre-season it is felt he wont get opportunities he would be welcomed back with open arms.
The centre-back has been a rock for the Steelmen in his second spell. A fans' favourite.
Loans, half way through the season, from England are often hit and miss, even more so if it is a young winger. However, Ariyibi has been a really positive influence in the final third for the Steelmen.
The signing was heralded but it hasnt worked out as of yet. But with a pre-season under his belt the Scotland international could be a 15+ goals a season man.
The winger is so important to Rangers in a creative sense. He is the one player who will do something different, dribbling in field, committing players and generally exiting the crowd.
Another who has added a bit of quality to the bottom-placed side. Given St Mirren greater pace and energy in the final third.
A key figure in the Buddies resurgence of late. The Romanian is a fine defender, solid in one v one duels, good in the air and composed in possession. Hell be interesting a number of clubs.