Here are some of the best quotes about Marcelo Bielsa's Whites, from Premier League bosses this season.
1. Pep Guardiola
"They destroyed the Championship last season. It's a gift to the Premier League to have [Bielsa] here because his teams are always a joy to watch. They are honest, always want to attack and produce good football for fans."
2. Jurgen Klopp
"I congratulated everyone of their team, what a team they are. Unbelievable. I will watch them quite often during the season."
3. Ole Gunnar Solskjaer
"You can see he’s a coach with all the details and he’s got his teams running. They’re the highest running and sprinting team in the league, probably the fittest team."
4. Brendan Rodgers
"They play in a respectful way. They don’t argue with referees so much. They have great integrity in the game. I’ve enjoyed watching them and preparing to play against them."