8. Wes Westrum (1947-1957)
Wins Above Replacement: 12.1
Westrum played 11 seasons with the Giants. His went to two All-Star games in 1952 and 1953, but his best season was in 1951. Even though he had a batting average of .219, he had a slashline of .219/.400/.418 for an OPS of .818. He finished 1951 with 20 home runs, 70 runs batted in and 104 walks. Most importantly, he was the team’s catcher for the Giants last World Series championship in New York in 1954.
Overall, he played 919 career games at catcher in New York and had a career slashline with the Giants of .217/.356.373 for an OPS of .729.