It is still far from clear how the F1 grid will look next season, but here's a look at what is known, with Sebastian Vettel already confirmed at Red Bull, while McLaren and Mercedes look set to field an unchanged line-up going on what has been previously announced by both teams.

Currently the burning question is who will take Mark Webber's place at Red Bull?

Kimi Raikkonen and Daniel Ricciardo are the favourites, although Fernando Alonso has also been mentioned.

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Kimi has been linked to a return to the Scuderia too, while Paul di Resta and Nico Hulkenberg have both been muted as possible replacements for Raikkonen at Lotus, should the Finn opt to move on...

Meanwhile, Pastor Maldonado is expected to stay with Williams and Felipe Massa's future at Ferrari is as uncertain as ever...

The F1 silly season is in full swing!

Confirmed 2014 F1 drivers:

Sebastian Vettel Germany Red Bull-Renault
(Confirmed until the end of 2015)

Fernando Alonso Spain Ferrari-Ferrari
(Confirmed for 2013, with options for 2014 and beyond?)

Jenson Button Britain McLaren-Mercedes
(Signed 'multi-year deal' in October 2011) Sergio Perez Mexico McLaren-Mercedes
(Signed 'multi-year deal' in October 2012)

Lewis Hamilton Britain Mercedes-Mercedes
(Deal expires at end of 2015) Nico Rosberg Germany Mercedes-Mercedes
(Signed 'multi-year deal' in November 2011)

Still to be confirmed:

Felipe Massa Brazil Ferrari-Ferrari
(Deal expires at end of 2013)

Kimi Raikkonen Finland Lotus-Renault
(Signed two year deal in November 2011, second year was an option) Romain Grosjean French Lotus-Renault
(Signed deal for 2013, contract length not announced)

Nico Hulkenberg Germany Sauber-Ferrari
(Signed deal for 2013, contract length not announced) Esteban Gutierrez Mexico Sauber-Ferrari
(Signed deal for 2013, contract length not announced)

Paul di Resta Britain Force India-Mercedes
(Signed deal for 2013, believed to be a one-year contract) Adrian Sutil Germany Force India-Mercedes
(Signed deal for 2013, believed to be a one-year contract)

Pastor Maldonado Venezuela Williams-Renault
(Signed deal for 2013, contract length not announced) Valtteri Bottas Finland Williams-Renault
(Signed deal for 2013, contract length not announced)

Daniel Ricciardo Australia Toro Rosso-Ferrari
(Signed deal for 2013, contract length not announced) Jean-Eric Vergne France Toro Rosso-Ferrari
(Signed deal for 2013, contract length not announced)

Charles Pic France Caterham-Renault
(Signed 'multi-year deal' in November 2012) Giedo van der Garde Netherlands Caterham-Renault
(Signed deal for 2013, contract length not announced)

Max Chilton Britain Marussia-Cosworth
(Signed deal for 2013, contract length not announced) Jules Bianchi France Marussia-Cosworth
(Signed deal for 2013, contract length not announced)

Retirement

Mark Webber Australia Red Bull-Renault
(Heading to sportscars with Porsche).