Johnny Herbert has raised concerns that Martin Brundle could be the next high-profile departure from Sky Sports following Damon Hill's exit.
Herbert, who himself left the broadcaster in 2022, suggests the recent changes at the network might not stop with Hill's departure.
The warning comes after last week's announcement that 1996 world champion Hill would be leaving Sky Sports F1 at the end of the season.
Brundle, 65, had previously shared a heartfelt tribute to Hill, praising their decades of friendship both on and off the track.
F1 icon Johnny Herbert is worried that Martin Brundle could leave Sky Sports
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Speaking to FlashscoreUSA.com, Herbert expressed uncertainty about Hill's departure, saying: "I dont know whether it was [Hills] decision or Skys, to be honest."
The former F1 driver suggested broader changes could be underway at the broadcaster.
"There is change going on. If he was pushed, then you wonder what could happen to Martin Brundle and David Croft," Herbert warned.
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GETTYHe speculated that Hill's enjoyment of the role may have been a factor in the decision.
"Was it an enjoyment factor? Potentially. I know he got criticism for the Max scenarios and maybe he felt, 'You know what, I dont need that,'" Herbert added.
Hill's criticism of Max Verstappen's driving tactics appears to have played a role in recent events.
F1 icon Damon Hill will leave Sky Sports at the end of the season
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Before the Brazil Grand Prix, Hill had accused Verstappen of "using dangerous tactics" and employing fear and intimidation on track.
Speaking on Sky Sports, Hill said: "I think that he [Verstappen] is using fear and intimidation."
Herbert revealed Hill faced significant backlash for these comments.
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"He was very unhappy at the crazy level of abuse he got over his Max comments," Herbert explained.
The criticism focused particularly on Hill's assessment of Verstappen's racing style, where he described one move as "just daft and Dick Dastardly stuff."
Hill announced his departure with gratitude, stating: "It's been a fantastic 13 years with Sky Sports F1 but all good things come to an end."
The departing pundit praised his colleagues in his farewell message, too.
"I will miss the most impressive bunch of professionals it has ever been my pleasure to have worked with," Hill said.
He concluded by expressing optimism about his future, adding he was "looking forward to new challenges."
Hill joined Sky Sports F1 alongside Herbert, bringing his expertise as a former world champion to the broadcaster's coverage, having won the Drivers' Championship back in 1996 while working for Williams.
