In the 18th minute of the Reds' 1-0 victory at AFC Bournemouth, Alisson's quick reflexes ensured the game remained goalless at that point.
He got down low to brilliantly keep out a first-time flick from Evanilson off a cross into the box.
That intervention is one of six saves shortlisted for this month's prize.
Supporters can vote for the Brazilian to win here.