After the announcement that Daniel Ricciardo will drive for Red Bull in 2014, the biggest driver change of the year is expected to be announced in the next 48 hours - Kimi Raikkonen is to rejoin Ferrari.
Autosprint correspondent Alberto Antonini said on the Raikkonen deal: "It's done.
"Kimi Raikkonen has a Ferrari contract in his pocket."
The news, when confirmed, will create one of the best line-ups on the grid as two former world champions, Fernando Alonso and Raikkonen team up from 2014.
The news has got Red Bull's Dr Helmut Marko split as to how a partnership would play out.
"If it works, the constructors' title will be harder for us," he told Bild newspaper.
"Or they could tear each other apart. Wait and see."
Throughout the summer Alonso has strongly indicated that he would like to keep current team-mate Felipe Massa for 2014.
"I have a great respect for Felipe," he is quoted by Brazil's Globo. "He is a great professional and works very hard on the race weekends but also in the simulator.
"If the team decides to keep him, I'll be happy," added Alonso.
The expectation of Raikkonen's move back to the Scuderia has kick started talk of a move away from Ferrari by Alonso, having flirted with Red Bull earlier in the summer, now Lotus and even McLaren have been mentioned.
"To be honest, we have several plans," said Lotus team boss Eric Boullier, facing up to the prospect of probably losing Raikkonen.
"After Ferrari fills their vacancy, our seat will be the most coveted. So we can afford to see what happens."
The man most expect to replace Raikkonen at Lotus is German Nico Hulkenberg who shined at Monza last week putting his Sauber third on the grid in qualifying and finishing fifth, though expected Ferrari refugee Felipe Massa could be another option.
"Ferrari is a super team; it's difficult to find another like it," the Ferrari driver said. "So it's important to look at all the options."
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