Al Nassr signed five-time Ballon d'Or winner Cristiano Ronaldo in January after his Manchester United exit.
Al-Ahli signed a EUR 30 million deal to bring Manchester City forward Riyad Mahrez to the club.
Al-Hilal signed Brazilian superstar Neymar from Paris St-Germain for a reported 90m euros.
Ex-Barcelona winger, Christian Tello is one of the biggest names acquired by Al-Fateh.
Al-Ittihad recently signed Real Madrid's Ballon d'Or winner Karim Benzema.
Ex-Liverpool striker Roberto Firmino is one of the biggest signings for Al-Ahli.
Former Lyon striker Moussa Dembele is all set to lead the line for Al-Ettifaq.