The original Callaway Big Bertha driver was as synonymous with the word power as John Daly was in the early 1990s. Made of stainless steel and named after a World War I German howitzer, it was larger ...

With the introduction of the Diablo Octane, Callaway is doing more than heralding the rollout of its latest driver. It is also unveiling a new material, called forged-composite, that the equipment ...

Callaway has heralded the arrival of its new Diablo Octane with a media blitz that included Stuart Appleby using it to race a Lamborghini Gallardo. And Ernie Els used it to win the Grand Slam of Golf, ...