hold the player's registration

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Note added at 20 mins (2022-07-19 09:09:03 GMT)
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In professional football, a transfer is the action taken whenever a player under contract moves between clubs. It refers to the transferring of a player's registration from one association football club to another.
... during the same season without the permission of the FA and the club that held his registration
https://en.wikipedia.org/wiki/Transfer_(association_football...

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Note added at 25 mins (2022-07-19 09:13:30 GMT)
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Boston manager Steve Evans has confirmed his interest in the striker and has already made contact with Real Oviedo who hold the player's registration.
https://www.irishtimes.com/news/non-league-side-target-colly...

Brazilian club Cruzeiro EC hold the player's registration and would want a fee in the region of €8m to make the transfer permanent.
https://www.uefa.com/news/025a-0eaadeea0a15-37680285e913-100...

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Note added at 1 hr (2022-07-19 10:04:22 GMT)
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The Premier League and West Ham are insisting Manchester United, who are keen to sign Tevez on a two-year loan deal with a view to a permanent move, can only deal with the Upton Park club who still hold the player's registration.
https://www.dailymail.co.uk/sport/football/article-469503/Ha...

Hearts still hold the player's registration as they await Fifa's decision on what compensation the Premiership side must pay for the 24-year-old.
https://www.glasgowtimes.co.uk/news/12817966.webster-rangers...

“The agreement confirms that West Ham do have a valid player’s contract with Carlos Tevez and hold the registration of the player
https://www.manchestereveningnews.co.uk/sport/football/footb...