Poor Ricky Rubio airballed key 3-pointer in perhaps his final game with Jazz

Welcome to the Thursday edition of The Cooler, where some things never change even if you want them to. Let’s get to it:

*A few years ago, I wrote about how Ricky Rubio was the worst shooter in modern NBA history based on some simple criteria: Of all players as of December 2015 who had played at least 5,000 career minutes since the 1979-80 season, when the NBA adopted the three-point line, Rubio had the worst shooting percentage of all of them.

He has since made a pretty significant amount of improvement — shooting better than 40 percent each of the last three seasons after never doing that previously — and stands as just the 13th-worst of all-time. His shooting percentage the last three…