For either to end up at the Austrian team, Verstappen would have to leave or Sergio Perez would have to be ousted from the team.
Recently Verstappen has questioned whether it would be the right move for Red Bull to sign Alonso, arguing it would be "strange" due to his age.
“I don't care who sits next to me. I also said that to the team. I always believe in myself and in my opinion I am the boss of everyone,” Verstappen said in an interview with De Limburger.
“But if you ask me, I would find it strange to sign a 42-year-old driver. Red Bull has always had the tradition of training young drivers itself.