Max Verstappen has been tipped to exit Red Bull and join F1 rivals Mercedes by a former driver. Riccardo Patrese competed in F1 from 1977 until 1993, finishing second to Williams team-mate Nigel Mansell in the 1992 world drivers’ championship and collecting six race wins across his career.

By sacking Christian Horner, Red Bull has made a big change to try to return to F1 winning ways. But there are other steps it must take, too