Marucci Cat8 BBCOR (-3) Bat - Black RedMarucci Cat8 BBCOR ( 3) Bat Crafted excellence. Designed with a thermally treated AZR alloy for a more responsive and forgiving feel, the balanced one piece CAT9 features a massive sweet spot that is ready to do damage right out of the wrapper. Utilizing a three stage thermal treatment process, our new AZR alloy offers a more responsive microstructure for better feel, more forgiveness and more performance while maintaining the same strength as its