With a 2-0 lead over the Detroit Tigers in the World Series, the San Francisco Giants are halfway to their second World Series championship in the last three years. While the current Giants roster is stocked with plenty of talent, San Francisco has also been home to some of the best players in Major League Baseball history since the franchise moved there in 1958. As a way of looking at the guys who paved the way for the likes of Matt Cain, Pablo Sandoval, and Buster Posey, I decided to compile my list of the five greatest San Francisco Giants players of all-time.