“It’s great to see," said Horner to Sky Sports F1.
"They’ve had a tough earlier part of the year. They’ve brought in some upgrades and I think from around Singapore, they’ve really started to bring their car alive.
"I think Daniel’s put some good engineering direction in there as well and you can see they’re benefiting from that.
"Yuki drove a strong race today [Brazil sprint] and good to see him scoring valuable points.”
With AlphaTauri now boasting a five-point cushion over constructors' standing rivals Alfa Romeo, the Italian team will be looking to up the table to try and reel in Williams, who are seven points ahead of them.
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