Lotus looks to have made its choice of official reserve driver for 2014.
It appears unlikely the Enstone based team will keep Davide Valsecchi on board, particularly after the Italian admitted he was "angry" when bosses overlooked him as the surgery-bound Kimi Raikkonen's replacement late last season.
"Perhaps I lack experience but what chance do you have to gain any?" he said at the time.
According to the Italiaracing publication, Lotus looks set to turn to the similarly Eric Boullier-managed, 23-year-old Danish driver Marco Sorensen for 2014.
He raced in Lotus' black and gold colours in the Formula Renault 3.5 series last year, finishing seventh, and in September made his F1 test debut in a two-year-old car at the Paul Ricard track.
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