In most cases, NBA fans typically regard their favorite team's offseason activity with a certain sense of optimism. With no evidence to the contrary, it's easy to see why plenty of people believe that their beloved franchise acquired that key piece that will push the team over the top.
And then, the regular season begins.
At that point, the "on paper" litmus test will no longer be valid: Once the games count in the standings, we're all able to truly evaluate the end product of the dozens of trades and signings that took place during the summer. And while there are those players who are certain to pay immediate dividends, there are others signed this offseason who look a lot better "on paper" than they will in reality.