Nottingham Forest boss Nuno Espirito Santo has cast doubt over his future after admitting "where there's smoke, there's fire" amid rumours about his job.Speculation is rife that the Portuguese's position is under threat after his relationship with owner Evangelos Marinakis has deteriorated.Nuno, who was handed a new contract in June after guiding Forest into Europe last term, was seemingly accepting that his time at the club could be over after saying his connection with Marinakis has changed.

Nottingham Forest boss Nuno Espirito Santo has cast doubt over his future after admitting "where there's smoke, there's fire" amid rumours about his job.Speculation is rife that the Portuguese's position is under threat after his relationship with owner Evangelos Marinakis has deteriorated.Nuno, who was handed a new contract in June after guiding Forest into Europe last term, was seemingly accepting that his time at the club could be over after saying his connection with Marinakis has changed.