![Callaway Golf Big Bertha B21 driver sole](https://golfbusinessmonitor.com/wp-content/uploads/2020/08/callaway-golf-big-bertha-b21-driver-sole-368x208.jpg)
Big Bertha B21 driver like you never seen before
Within 8 months Callaway is launching its new Big Bertha B21 driver (Product At Retail Date: 9/10/20). As I ran through the product description, I didn't find any significant differences from the previous Callaway Golf Mavrik driver. Big…