The putter insert, just like the modern golf ball, is a chemistry project, and the designers at Odyssey Golf turned directly to their partners on the ball-making side of Callaway Golf to help them ...

That’s what Odyssey, Callaway’s putting division, is aiming for when it comes to the company’s new Ai-One and Ai-One Milled putters, which it says, leverages an “industry-leading ...