The Scottish Premiership transfer window closed at 11pm on Monday night, with Celtic, Rangers, and Hibs all strengthening their squads in the final hours with some big signings.
Despite the window being slammed shut, transfers are still being discussed with Celtic manager Martin O’Neill admitting he has held discussions with former Arsenal and Liverpool playmaker Alex Oxlade-Chamberlain over a free transfer move following his release from Besiktas earlier in the season. But which other big-name players are available as free agents?
Players not currently under contract with any club are currently able to be signed and registered outside of the standard transfer windows, meaning Scottish Premiership clubs may still look to do further business in the weeks ahead.
Here, The Scotsman looks at 20 of the best free agents still able to sign for clubs, including a former Liverpool cult-hero, World Cup winner, and 68-goal English Premier League striker.

5. Alex Oxlade-Chamberlain
Celtic are already exploring a deal for the English playmaker, and who can blame them? He may not be the player he once was at Arsenal and Liverpool, but the 32-year-old provides bags of high-level experience and knows what it takes to win a league title. | Getty Images

6. Matt Phillips
The 16-cap Scotland winger left EFL Championship strugglers Oxford United by mutual consent on Tuesday after a toiling time in the second tier. Has played as recently as January, so would arrive match fit and is still just 34-years-old. | Getty Images

7. Barrie McKay
The former Hearts and Rangers winger had his time disrupted by injury at Tynecastle, and hasn't found a new club since leaving in the summer upon the expiry of his contract. Has trained with Kilmarnock recently, and would be a strong addition for several teams if he can regain match fitness. | Getty Images

8. Jack Colback
The former Sunderland, Newcastle United, and Nottingham Forest midfielder has played over 500 careers game, won two promotions and being called up to the England squad. Leaving Queens Park Rangers at the end of last season, the 36-year-old is reaching the end of his career, but provides a competitive and experienced defensive midfield option to those teams who want to add some extra steel in the second half of the campaign. | Getty Images
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