My WAR calculation is a combination of Baseball-reference and Clay Davenport; I believe it to be the "best" WAR number available for historical comparison. 8 WAR is an MVP quality season. The record is pythagorean adjusted for 162 games.
1960 85-77
C Bob Schmidt .85
1B Willie McCovey 1.6
2B Don Blasingame 1.1
SS Eddie Bressoud 1.3
3B Jim Davenport .85
LF Orlando Cepeda 4.05
CF Willie Mays 8.5 MVPQ
RF Willie Kirkland 2.45
IF Joey Amalfitano 1.4
OF Felipe Alou .7
IF Andre Rodgers .3
C Hobie Landrith .05
1B Jim Marshall -.1
SP Mike McCormick
6.2
SP Sam Jones 1.8
SP Billy O’Dell 3.45
SP Jack Sanford 1.15
RP Johnny Antonelli
1.3 (33.65) Last Season
RP Stu Miller .85
-Oldest person to debut as a manager, Tom Sheehan, a Giants scout who took over from Rigney at midseason. Marichal also debuts in the Giants first season at Candlestick. Antonelli was public about his dislike of playing in San Francisco and this is his last season.