Getty Images/Ringer illustration The Thunder are a trendy title pick for a reason. They could have the best defense in NBA history. (Yes, you read that correctly.) This season, armed with a robust collection of electrifying talent that warrants championship-or-bust expectations, the Oklahoma City Thunder may have the best defense in NBA history. This sentence is admittedly a bit presumptuous for a few reasons; whenever teams from different eras are compared, headaches follow. Crowns are forever subjective in this context: People can look at the Boston Celtics, Minnesota Timberwolves, or Orlando Magic (the top three finishers in defensive rating last year), wonder why they aren't receiving the same type of speculative praise, and not necessarily be wrong. All are stout in their own ways. But the Thunder are coming off of a year in which they boasted the fourth-best defense, and pretty much every personnel decision they made this summer was like polish on a scuffed gemstone. They shed the biggest liability in their starting five (Josh Giddey), preserved the rest of their young and improving roster (continuity matters!), and then added two standout defenders in Alex Caruso and Isaiah...