Daniel Ricciardo is one of the drivers in contention to replace Sergio Perez if he loses his Red Bull seat. Perez survived the summer break but remains under threat in the second half of the season. Liam Lawson is also an option for Red Bull, but Ricciardo may be seen as a safer bet. He’s driven in more than 250 Grands Prix – Lawson has only featured in five – and won seven races during his first stint with the team between 2014 and 2018. Yuki Tsunoda is winning the intra-team battle at RB this season but isn’t in the frame for a promotion. Christian Horner has doubts over Tsunoda’s mental str…