Alisson is a card that you might consider a on and off card he puts in amazing game savers to keep you in the lead and there are some games where he hasn't saved a shot.
Very good positioning
brazil and prem links
very good sweeping
good at coming out for crosses.
very good assister, the gk long throw helps.
Suprisingly good at 1v1s
not fast
on and off
his diving his sometimes washed
can make game changing mistakes.