The 24-year-old was one of the biggest movers of the summer transfer window, leaving Arsenal for Liverpool in a £35m deadline-day deal.
Oxlade-Chamberlain reportedly opted for Liverpool over Chelsea as he favours playing in a central-midfield role, much like hero Steven Gerrard, but Southgate is unsure whether that is the best position for him to thrive in England’s current system.
“I don’t see him as a central midfielder,” he told reporters. “He could play as a No.8 but we really like him as a wide player.
“We tried him in a couple of games to look at a different profile but the explosive power and pace, ability to go on the outside of defenders, cross the ball. We feel he’s more productive there. But he could go as a No.8 in certain systems.”
Oxlade-Chamberlain was the ninth-most expensive Premier League purchase of the summer, with Romelu Lukaku’s £75m move between Everton to Manchester United topping the list.