Mark Webber admits he is "nervous" about the return of Robert Kubica in 2019 with some questions still unanswered about his limitations.
The Pole's comeback with Williams is a great feel-good story for Formula 1, coming eight years the rally crash in early 2011 which ended his first stint on the grid.
However, while the British team has been keen to play down concerns the partially amputated right arm that resulted from his accident could be an issue, the former Red Bull driver isn't convinced.
"I'm a little bit nervous about Robert," Webber told WTF1. "I'm a huge fan, but I just hope that his restrictions with his right arm aren't too frustrating for him in certain scenarios, like driving in the rain, or aquaplaning, or jumping kerbs or those type of things."
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What is reassuring the Australian though, is faith that Kubica wouldn't return if he didn't think he was ready.
"You know, mentally there's no question about it," he stated. "Robert is in incredible shape, he's very hungry to prove to himself, that's the most important thing actually, to himself, he doesn't need to prove to anyone else.
"But there's a few open questions there."
