Here, we take a look at some of the soon-to-be free agents that Marcelo Bielsa could target in the transfer window, with some deals less likely than others.
Simply scroll down and click through the pages to view the list, which includes several ex-England internationals and a whopping £55m worth of talent!
1. JOE HART
Another ex-England international, Hart, 33, has been told he can leave Premier League side Burnley and has been linked with a move to Celtic if their attempt to recapture Southampton stopper Fraser Forster fails. Photo: Nigel Roddis
2. JORDAN IBE
Bournemouth winger Ibe, 24, is set to leave the Cherries at the end of his contract having made little impact following a blockbuster club record £15m fee from Liverpool in 2016. Could he revive his career under Marcelo Bielsa at Leeds United? Photo: Nathan Stirk
3. JACK COLBACK
Jack Colback Having fallen well down the pecking order at Newcastle United, Colback, 30, hasn't played competitive football in almost a year and is now set for a summer switch. Photo: Alex Livesey
4. AARON LENNON
Lennon, 33, has been linked with a move back to his boyhood club Leeds United should the Whites gain promotion to the Premier League. The former Tottenham and Everton star left Burnley on June 30. Photo: Mike Hewitt
5. JEFF HENDRICK
The Republic of Ireland international midfielder, 28, has been linked with a shock move to Italian giants AC Milan after it was announced he'd be leaving Burnley. Photo: Michael Regan
6. RYAN FRASER
Despite Celtic being made the bookies' favourites to sign Fraser, 26, reports suggest otherwise, linking the Scottish international with a host of clubs including Liverpool and Tottenham. Photo: Jan Kruger