Red Bull is under pressure in 2021: Due to a performance clause in Max Verstappen's contract, the team has to fear about losing its superstar
Helmut Marko believes only one F1 driver can “get close” to Max Verstappen
Marko gives Sergio Perez F1 ultimatum: He needs a team change
Nonsense that Verstappen will lose F1 title says Marko
Marko doesn't regret Sainz Red Bull F1 exit as he is no Verstappen
Max Verstappen could follow through on F1 quit threat due to Red Bull contract clause - Mirror Online
Marko admits, Verstappen could leave Red Bull
Helmut Marko makes ASTONISHING claim about Max Verstappen dominance
Helmut Marko responds after Max Verstappen steals fastest lap from Sergio Perez : PlanetF1
Helmut Marko wanted Red Bull's F1 drivers to deliberately catch coronavirus, Red Bull
Helmut Marko admits 'giving up' in search for another Verstappen
Max Verstappen says there's no extra pressure at Red Bull, F1 News
Verstappen tells Marko 'never bet against me' after losing money to Horner