Parallels with us against wolves last week in the terrible selection. Picking Rice and Henderson together against a weaker team is like us playing Rodri and Gundogan together against a weaker team. Too much overlap in skill sets, not enough creativity and not enough speed of movement and slow passing through midfield.
Except it's even worse because Henderson and Rice are also legitimately worse players than Gundo and Rodri.
When you play a genuine attacking mid like Mount and a genuine defensive mid like Rice, your third midfield needs to either be a quality deep playmaker (De Bruyne type) or a box-to-box beast who can run the midfield (Yaya) it can't be a Gundo/Henderson.