The 19-year-old played the full 90 minutes against MK Dons in the previous round of the competition and could now make his home debut.
Brewster had to wait for his first appearance for the club but looks likely to feature at some point against the Gunners, with commentary live on talkSPORT 2.
The young striker is set to get his chance in the cup competition as Liverpool will make several changes to the side who faced Tottenham on Sunday.
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Assistant manager Pepijn Lijnders indicated that a ‘fresh and hungry’ line-up would be fielded against Arsenal.
He said: “I think our squad is not big but it doesn’t make sense and it would really not be intelligent to make it even smaller by not using its strength, and one of its strengths in my opinion is the power of the youth with experience. That mixture can bring amazing processes.”
But just who is Rhian Brewster? Below you can see 10 facts you may not know about the 19-year-old.