Franz Tost, the team principal of Red Bull’s AlphaTauri, has voiced his disagreement with Helmut Marko at a time when there is a possibility of Daniel Ricciardo making a comeback to racing.

Franz Tost emphasized that Nyck de Vries, a driver for AlphaTauri, needs a minimum of three years in Formula 1 after Helmut Marko threatened to end the Dutchman’s career in the sport. De Vries has been struggling this season and is one of two drivers who have failed to score a single point so far.

According to Motorsport.com, Marko has given De Vries only three races to prove himself, or else he will be replaced. This ultimatum means that De Vries, who previously competed in Formula E, has until the Monaco Grand Prix to gain momentum and outperform his teammate Yuki Tsunoda.

While it is expected that Daniel Ricciardo would take De Vries’ seat at Red Bull’s junior team shortly after signing as a reserve driver, Tost has criticized Marko’s decision and stressed the need for De Vries to have more time on the track.

Tost reminded Marko that even the team’s most successful drivers, like Sebastian Vettel, required time to establish themselves in the sport. Tost explained, “Yuki is doing a really good job, and you can see that his learning curve is progressing remarkably well.”