The Rode Duivels take United States in the last 16 of the World Cup on Tuesday and the Atletico Madrid defender is sure that Hazard can help to fire his team into the quarter-finals thanks to his unique skillset.
"I don't think Eden feels the pressure. He has always played like this and he just enjoys playing football. He wants to be the best player and he can make the difference for us," Alderweireld told reporters at Belgium's Mogi das Cruzes training base.
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Marc Wilmots's side have been hit by a string of recent injuries in defence, with Thomas Vermaelen facing a race against time to be fit to face USA, Vincent Kompany a major doubt and Anthony Vanden Borre having been ruled out of the remainder of the tournament with a cracked fibula.
But Alderweireld insists that they have the resources at the back to cope with the triple setback.
"We have confidence in a lot of players," he declared. "We have a good group, a very good bench, and, against South Korea, you saw that the players that hadn't already played did very well so we have no problem.
"Daniel Van Buyten has a lot of experience and has been very good the last few games. He gives a lot of confidence to the team and we are happy with him."