Al-Nassr have agreed a deal worth up to £43.7m for Chelsea forward Joao Felix.
The 25-year-old has been given permission to travel to Riyadh for his medical to complete the move.
Felix will link up with fellow Portugal international Cristiano Ronaldo at the Saudi Pro League side after they saw off interest from his former club Benfica.
Chelsea recoup the £45m they paid Atletico Madrid for Felix last summer, having also sent the attacker out on loan to AC Milan for six months in January for a £5m loan fee.
The Blues, who won the Club World Cup this month, have already sold goalkeepers Djordje Petrovic and Kepa Arrizabalaga and winger Noni Madueke to balance the books this summer.