What's Bazball and why is it the right approach to keep Test cricket alive?

Under Brendon McCullum and Ben Stokes' Bazball system of attacking Test cricket, England have won eight out of the nine games and have played no draws at all

When Brendon "Baz" McCullum walked into the English dressing room as Test coach, most people were dumbfounded. He had been a successful T20 mentor with Kolkata Knight Riders in the IPL and Trinbago Knight Riders in the CPL (Caribbean Premier League). But to push someone from T20 straightaway to Test coaching was precarious for both the team as well as the coach. 

 

However,