Sainz is yet to commit to any admirer yet, and revealed ahead of the Miami Grand Prix that he and his representatives are still in conversations around the paddock.
New 'possibility' for Sainz emerges with family links
With Sainz still to make his decision, teams up and down the grid are competing for his signature.
Now, Alpine has emerged as a potential suitor, according to F1 journalist Joe Saward.
“The driver market remains stuck because Mercedes and Red Bull do not want to make decisions about Carlos Sainz, preferring to wait and watching how things develop," he wrote in his blog.