Bannister threw a curveball with a conventional grip , but he was also a teammate of spike curve maestro Gil Meche .
To get a pitcher 's perspective on why the knuckle curve grips have become so popular , I consulted second - generation starting pitcher Brian Bannister .
starting pitcher threw a curveball with a conventional grip , but Brian Bannister was also a starting pitcher of spike curve maestro Gil Meche .
To get a pitcher 's perspective on why the knuckle curve grips have become so popular , I consulted second - generation starting pitcher Brian Bannister .