Manchester City have a chance to close the gap to eight points with victory over Stoke City tonight (8pm).
Pep Guardiola's men are in good form but have a tough month ahead with games against Chelsea, Liverpool and Arsenal.
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But Fernandinho remains optimistic that City can still win the league against the odds.
"When you have this desire to win, to win, to win, I would not feel comfortable losing a title," he told Sky Sports.
Fernandinho believes Man City can still catch Chelsea
"We have to believe, I still believe. We all know the Premier League is so tough and many, many things can happen – right until the last game of the season.
"We have Stoke and it's always difficult to play against them.
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Chelsea have a 10 point lead in the Premier League table
"After that we have Liverpool and then Arsenal and Chelsea.
"So I think this month is going to decide if we are going to be up there new the top of the table or not."