The installation on the three point line was a wild notion at one time in the NBA.  It has changed the way the game is played today.

The idea of a four point line might seem just as wild, but there are at least five NBA teams practicing it.

Via ESPN:

With the rise of analytics over the past decade, teams have scrutinized their shot location and encouraged players to take 3-pointers and layups while de-emphasizing contested midrange jump shots.

And with the NBA’s ongoing emphasis to make players think efficiency and spacing, Brown installed one extra line on the Sixers’ practice court in February 2017: a phantom gray 4-point line.

In addition to the 76ers, the Atlanta Hawks, Brooklyn Nets, Chicago Bulls and Milwaukee Bucks all have their own version of a four point line on their practice courts. 

Is the four point shot the next innovation in basketball?  It just might be.  Thanks Steph Curry.