Originally Posted by Bobby Jr
The Wilson Prostaff 85, first sold in 1983 and still going strong 30 year later.
Used to win at least 29* major singles titles and a few doubles also.
*Rough calcs: Sampras 14, Edberg 6, Pierce 1, Courier 4, Evert 4 (of her 18 majors) = 29. Plus Edberg won 3 doubles majors with it too.
Don't forget Jim Grabb winning a couple of GS dubs titles with it.