When a footballer crosses the threshold of 30, it is usually not long before their playing days begin to wind down, such is the physical and mental demand of playing the game.
Cristiano Ronaldo crossed into his thirties in 2015 and Lionel Messi followed him into that twilight zone two years later in 2017.
Yet, despite time's unrelenting procession and the natural effects of aging which spare no one, the pair continue to bedazzle at the highest level for club and country.
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There has been little sign of either player slowing down dramatically but, given their age profile, the question for many remains: how much longer can they play for?