According to procyclingstats, ISUN have a total of nine riders under contract for 2021, so they have plenty of scope to change the structure of the team to support someone like Froome.
Thing is there's rumours they're going after Stuyven and Van Avermaet as well at least which suggests they want some classics riders. Hard to have a kick ass classics team AND a kick ass GT team.
According to procyclingstats, ISUN have a total of nine riders under contract for 2021, so they have plenty of scope to change the structure of the team to support someone like Froome.