It was only the 22nd perfect game in major-league history and the 20th since the so-called "modern era" began in 1900. No-hitters have become relatively commonplace.

It is quite another story, however, to achieve perfection. There's no room for a walk, or an error or a hit batter. Each batter must be dispatched - no complications.

That's what made Cain's effort so special - and what undoubtedly caused such elation in the Giants' front office. This was the signature stroke of the Giants' modern-day identity.