Hazard has been in average form for Chelsea since returning from his broken ankle last month.
The Belgian scored twice in the dramatic 3-3 Champions League draw with Roma on Wednesday.
Redknapp has been impressed with how Hazard has linked-up with summer-signing Chelsea’s Alvaro Morata.
“That’s what you are looking for, for those two to interact together because when this guy plays he is phenomenal,” the former Liverpool midfielder said.
“I think the best, technical player in the Premier League that can win a game. He can take a game away from you.”
Redknapp was then asked by Sky presenter Simon Thomas: “The best players in the world are able to drag their teams through when the rest of the team are perhaps not at their very best.
“Is Eden Hazard able to do that for Chelsea?”
Redknapp was unequivocal with his answer, responding: “Absolutely.
“When you look at the two times they have won the league, he’s been their best player. He’s phenomenal.
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