Monday's Formula 1 news roundup: Lewis Hamilton, Helmut Marko, Daniel Ricciardo

Sports Mole rounds up all of the latest news regarding Formula 1 on Monday, December 9.

Monday morning's headlines:

Vegan Hamilton admits 5kg weight gain New six-time world champion Lewis Hamilton has admitted he put on 5 kilograms this year. Read more.

Red Bull has Aston Martin 'contract' - Marko Dr Helmut Marko has played down rumours that Red Bull could lose its title sponsor. Read more.

Hanoi circuit '80pc ready' for F1 debut Vietnam GP organisers say they will be ready for the inaugural F1 race in Hanoi. Read more.

'Jos Verstappen should wave Dutch GP chequer' Max Verstappen's father should wave the traditional chequered flag at Zandvoort next year. Read more.

Ricciardo 'did not make Renault better' - Mol A respected F1 commentator has questioned the contribution to Renault made so far by Daniel Ricciardo. Read more.

Racing Point admits interest in Kubica Racing Point has admitted its interest in signing Robert Kubica for 2020. Read more.

Berger backs Ferrari's 'alpha driver' lineup Gerhard Berger has backed Ferrari's controversial driver lineup. Read more.

'No signature' for Liberty Media yet - Marko Chase Carey wants the teams to sign up for the new Concorde Agreement "as soon as possible". Read more.

Villeneuve doubts Honda can win 2020 title Jacques Villeneuve does not think Red Bull-Honda can win the 2020 title. Read more.

Verstappen admits 2021 'opportunities' Max Verstappen has admitted there may be "opportunities" for a move to another team for 2021. Read more.

Webber questions Bottas 'hunger' Valtteri Bottas may be lacking the "hunger" to beat Lewis Hamilton at Mercedes. Read more.