Kovalainen told the Finnish newspaper Turun Sanomat he also cannot be sure that McLaren's gamble on Magnussen will pay off.
Jenson Button: “I’m pleased for Checo. He won’t be with us next year, but he drove a great race today. Well done, mate."
"I even did a deal and shook hands with a team principal up and down this paddock - an absolute deal - but he stepped back" - Martin Whitmarsh.
Sergio Perez is fairly certain he will have a ride next year.
The team hasn’t taken a victory since race at Sao Paulo last year.
Sergio Perez: “I’ll be really hoping to put on a great show for all my Mexican fans”
Button admitted he was surprised to hear of McLaren's decision.
McLaren is pleased to announce that Kevin Magnussen will join Jenson Button as a McLaren race driver for 2014 – Jenson’s fifth year and Kevin’s first year as McLaren race drivers.
Drivers mood differs after both appeared to be on the 2014 market.
Martin Whitmarsh: "There will be some new sponsors."