The pair, who won the Under-17 World Cup with England in 2017 and finished as runners-up in the European Championships that year, featured in different halves at Notre Dame Stadium in South Bend, Indiana on Friday.
Alex Oxlade-Chamberlain provided the sharpness and dynamism Jurgen Klopp will have been delighted to see despite Liverpool suffering a 3-2 preseason defeat to Borussia Dortmund.
The England international, who was involved in just four matchday squads last season as he recovered from multiple ligament damage, was the standout star for the European champions at Notre Dame Stadium.
His explosive runs from midfield were on show and he provided the impetus in attack for the Reds during the first outing...
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TOP STORY: Liverpool to move for Havertz?
Liverpool are yet to make a major signing this summer, with only young Sepp van der Berg arriving, but the Daily Express claims that they are weighing up a move for Bayer Leverkusen sensation Kai Havertz.
Havertz, 20, has been linked with Barcelona...
Alisson's first year at Liverpool: How the goalkeeper became the world's best and led Reds to CL glory
"There were so many positives -- his physique, how he commanded his area, his comfort at building play -- but what immediately stood out was his decision-making. You can spend hours working on technical aspects, but you have to have the natural ability to read situations and react so that you make the difficult things look simple."
Liverpool's goalkeeping coach John Achterberg is talking about a time in 2013, when, hunched in front of the laptop in his home office, he began dissecting footage...