Northern Ireland: Young duo Tom Atcheson and Ruairi McConville at the heart of Nations League's meanest defence

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• Published12 minutes ago

Across his two spells as Northern Ireland boss, Michael O'Neill has been blessed with no shortage of centre-back talent.

Jonny Evans, Aaron Hughes, Gareth McAuley and Craig Cathcart were mainstays of his first stint in charge - so much so that, in some of the biggest games of O'Neill's managerial career at Euro 2016, the quartet all started across a flat back-four.