Manchester City can win the Premier League title with or without Keven De Bruyne. Liverpool, on the other hand, has excellent attackers who can produce; they can play effectively and score goals even without Salah. As a result, they may win the league. However, since Arsenal defeated both Manchester City and Liverpool this season, I will also include them in the title race. They have an impressive squad that can win the league.
Technically yeah they are still a strong team without De Bruyne too. However there is still a significant difference between a Manchester City with and without him. We can see it clearly from how much more productive they are in his presence. He is like a maestro for Manchester City I think.
What Salah is for Liverpool is the same as what De Bruyne is for Manchester City.I believe both teams need their most important players in this championship race as a result. Now they both have these players back in the squad after an injury period so it will be more fun to follow this race.