Daniel Ricciardo is too inconsistent, Pierre Gasly was always "looking for excuses" and Alexander Albon is "too nice".
Those are views held by Red Bull advisor Helmut Marko, who has given his brutally honest assessment of those who have raced for the team in the past. The Austrian also gave his views on Carlos Sainz, who used to be a member of Red Bull's young driver programme but left before graduating to the top team.
The Spaniard is one of the main rivals to Max Verstappen these days, racing for Ferrari and having won his maiden F1 race last weekend at Silverstone. But many moons ago they were team-mates at Toro Rosso – but not all was well between the two future winners.