The driver jigsaw puzzle is taking shape for 2015

(Glenn Dunbarr for the Lotus F1 Team)

The 2015 Formula One grid is taking shape nicely at it was confirmed on Wednesday night that the Sauber F1 Team have completed their line-up for next season by announcing that they have signed Brazilian Felipe Nasr who will make his Formula One race debut with the Swiss based outfit next season.

So here is what we know so far:

Mercedes AMG PETRONAS F1 Team

Lewis Hamilton

Nico Rosberg

Infiniti Red Bull Racing 

Daniel Ricciardo

Daniil Kvyat

Williams Martini Racing Team

Valtteri Bottas

Felipe Massa

Ferrari SpA

Kimi Raikkonen

TBC - Sebastian Vettel

McLaren Honda 

TBC - Fernando Alonso

TBC - Kevin Magnussen

Sahara Force India Formula One Team

Nico Hulkenberg

TBC - Sergio Perez

Toro Rosso

Max Verstappen

TBC

Lotus F1 Team

TBC - Romain Grosjean

Pastor Maldonado

Manor F1 Team 

TBC

TBC

Sauber F1 Team 

Marcus Ericsson 

Felipe Nasr

Caterham F1 Team

TBC

TBC 

© Ben Johnston 2014