Real Betis, Celta Vigo, and Villarreal are all interested in signing Real Madrid Castilla defender Rafa Marin.

The 21-year-old player has established himself as one of the top players in the academy and has often been one of the first names on Castilla's team sheet. It is perhaps time for the center back to move up to the first division.

Current favorites to sign the player are Real Betis, who are said to be most interested in his signature. The yellow submarine are also searching for a center back following Pau Torres' transfer to Aston Villa. The third team who is interested in Rafa Marin is Celta Vigo. In January, there were speculations that Real Madrid may consider signing Gabri Veiga for a transfer fee plus Rafa Marin. Following Ceballos' extension and Jude Bellingham's signing, this discussion has disappeared.

Sergio Arribas and Carlos Dotor are expected to join Rafa Marin in playing in the first division. To maintain the potential of their return, all three players would likely be sold with a 50% rights clause or buy-back option. It would be a similar contract setup to what was done in the past with Fran Garcia and other academy players.