The Reds take on Burnley away from home on Wednesday, and then finish the season against X on Sunday.
Two wins would all but seal Liverpool's spot in the top four and qualify them for next season's Champions League.
Oxlade-Chamberlain is back after missing two games due to an illness.
Manager Jurgen Klopp spoke about his return, along with other absences.
"Millie [James Milner] will train today but is that then enough for being involved tomorrow? I will see," Klopp at his pre-match press conference on Tuesday.
"Ox was ill, [so] yes, Ox is back.
"Naby [Keita] wasn't part of team training yet so that will not be enough until tomorrow for sure.
"Ox was in team training so he is back."
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