Liverpool defender Virgil van Dijk is already a "complete player" but can reach another level if he adds more silverware in his career, according to former coach Pascal Plancque.
The 27-year-old has emerged as one of Europe's premier centre-backs since completing his £75 million (€87m/$99m) from Southampton to Anfield.
Van Dijk's displays during his first six months at Liverpool saw him guide the team into the Champions League final, where despite defeat to Real Madrid he was eventually named in the Uefa Team of the Year.
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And with the Reds in contention to win their first Premier League title for 29 years, Van Dijk is among the favourites to scoop the PFA Players' Player of the Year prize.