If you’ve picked up a Callaway club in the last few decades, you’ve likely come across a driver or iron with the words “Big Bertha” emblazoned on the head. Of all the names founder Ely Callaway chose ...

It may not be well understood by the average struggling golfer, but designing golf clubs to combat bad swings, off-center hits, and wildly slicing sidespin is no casual pursuit. In fact, in many cases ...