The Portugal left-back hailed his star countryman and stressed it's his desire that sets him apart
Cristiano Ronaldo is the world's best player and is always hungry for more, Portugal team-mate Mario Rui declared.
Ronaldo inspired Portugal to a 6-0 thrashing of Lithuania in Euro 2020 qualifying on Thursday, scoring a hat-trick in the Group B win.
Mario Rui lauded his 34-year-old team-mate after Portugal moved a step closer to qualifying for next year's showpiece tournament.
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"He is the best in the world, never tired of winning, wanting more, and it is this hunger that makes him what he is," the Napoli left-back said, via A Bola.