Very worrying again the lack of quality from Mahrez and Grealish when they start together.
Not sure I've seen it work. Or Mahrez work with a stand-in RB. Guess the idea is to draw players on the left, then switch to Mahrez on the right - who ostensibly has the option of KDB in the halfspace. To me it limits Grealish's potential and is reliant on Mahrez not being shite. Add in that he's awful defensively, that KDB doesn't cover effectively either, and the right hand side is easy to attack.
I just can't see the benefits of starting them both at the moment. I'd much rather Grealish - Haaland - Foden/Palmer/Alvarez.