Amid the Oklahoma City Thunder's best regular-season start in franchise history , one NBA analyst is calling it the best he's ever seen. After taking in the Thunder's impressive back-to-back wins against the Golden State Warriors and the Los Angeles Lakers at the Paycom Center, Sports Illustrated's Chris Mannix is still in awe.

The Thunder's 12-1 start is the best he's ever seen , as Mannix broke down what separates Oklahoma City from the rest, per Open Floor: SI's NBA Show.

“They're 12-1 to start this year. They have the best defense in the NBA by a country mile. They are six points better than the Denver Nuggets, who are sitting in second place in terms of defensive rating. They've got an offensive rating in the top 5 as well. And they're doing all this without the All-Star All-NBA

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