US carmaker Ford said on Thursday that India's Tata Motors was the front-runner to buy its European brands - Jaguar and Land Rover."Ford is committed to focused negotiations at a more detailed level with Tata Motors concerning the potential sale of the combined Jaguar/Land Rover business," said Lewis Booth, Ford executive vice president with responsibility for Ford Europe."There is still considerable work to do and while no final decision has been made, we will proceed with further substantive discussions with Tata Motors over the forthcoming weeks."A source familiar with the matter said earlier on Thursday that Ford was set to name Tata Motors as the front-runner to buy Jaguar and Land Rover.