1.   Callaway is coming out with an oversized driver called Great Big Bertha.

2.   Calloway Golf Co., which makes the oversized Big Bertha drivers, is bringing its clubs and computers to Madison Avenue.

3.   He had a couple of ideas, one of which was an oversized driver, an idea that was before its time.

4.   Two months after Adams opened shop in Dallas, Calloway Golf introduced its oversized driver.