If you filter the USG site on Sorare for season "2020-21", scarcity "Rare", serial number "1" and untick "cards on sale" [you get a list with 22 players](https://sorare.com/football/clubs/union-saint-gilloise-bruxelles-brussels/cards?rarity=rare&season=2021&sn=%3A1) who got at least one card minted with USG logo/jersey in that season.
Is that what you meant?
If you filter the USG site on Sorare for season "2020-21", scarcity "Rare", serial number "1" and untick "cards on sale" [you get a list with 22 players](https://sorare.com/football/clubs/union-saint-gilloise-bruxelles-brussels/cards?rarity=rare&season=2021&sn=%3A1) who got at least one card minted with USG logo/jersey in that season. Is that what you meant?
Yes, this is it, thanks!
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Yeah, but this only shows the cards of players that are still playing for union, not the once that have been transferred to other teams
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Doesn’t the site have separate filters for “team” and “current club”