They have already taken advantage of Barcelona's and Real Madrid's slip ups and all they have to do it maintain the momentum.
Yup. Barca and Madrid are out of their best form now. This season is probably one of the best chance for another team to win the league.
Imagine how Griezmann will feel if his previous team win the league after he left. Maybe not as bad as Coutinho but it sucks to face that reality.