On Red Bull's title chances, Marko added: "It's a theoretical possibility. We do not want to exclude this with our performance in the last races, so if we continue like this, it's not an impossible thing!
"It was just like the victories in Austria and in Hockenheim. The other teams have not had any problems, which shows that our competitiveness is getting better and better."
Verstappen pinpointed an aerodynamic upgrade brought to Austria as crucial behind his recent upturn, but Marko was quick to spread the praise to engine supplier Honda.
"It was a near-perfect lap, everything was fine, but the whole package played a role here," he said.
"Honda was optimally prepared for the engine, and the continuous development of the chassis does the rest - we've brought new parts here."
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