Gunners midfielder Jack Wilshere starred in England's 2-1 friendly victory over Brazil in midweek to win rave reviews, and his performance was not lost on the Ulsterman.
Wilshere has gone from strength to strength since emerging from a 14-month injury nightmare, and O'Neill holds him in the highest regard.
He said: "He's come on in leaps and bounds. He's come back from the injury and he's certainly added another dimension to his game.
"He's got that little burst of pace which kind of reminds me of Liam Brady - and if he ends up having the same career as Liam Brady, he will be pretty sensational."
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