Monaco - Mick Schumacher needs more time than Max Verstappen did to develop into an Formula 1-ready driver.
That is the view of Jos Verstappen, the father of F1 teen sensation Max who made his grand prix debut at 17 and won his first grand prix just a year later at Barcelona in May.
Youngest ever F1 winner
Mick Schumacher, the son of F1 legend Michael, is now the same age that Max was when he debuted for Toro Rosso in 2015, but Jos thinks the young German was right to have been left in Formula 4 for a second season this year.
Jos told the German magazine Gala: "I think Mick is someone who needs more time to reach the top level.
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"The pressure is extreme, because Mick is always compared with Michael."
Verstappen, who was Michael Schumacher's team mate at Benetton in 1994 added: "Mick of course misses his father, not only in the family but in racing, where Michael's experience would help him greatly."
This is not the first time Jos has commented on Mick's career, in April 2016 he said: "I don't think he's as good as Michael, and then it is more difficult still."