Marca reports that Arnau Martínez is a player Betis rates highly as a potential right-back signing if Ortiz leaves.

According to Matteo Moretto, Betis's interest in Arnau Martínez is a genuine possibility, though there is currently no advanced negotiation. Arnau Martínez has made Betis his priority.

According to transfer journalist Matteo Moretto, Girona's 23-year-old Spanish right-back, Arnau Martínez, has received interest from many clubs, including Real Betis, Fulham, and PSV. It is understood that the player's contract contains an eight million euro release clause. Martínez joined Girona in April 2021 and has a contract until 2027. He made 35 appearances in LaLiga last season, where he contributed two goals and three assists. He has 12 caps for Spain's U21 national team. According to Transfermarkt, his current market value is €10 million. His valuation was previously higher, with reports in early 2026 citing a figure between €14 million and €18 million.