FanGraphs has a season-preview feature called "Postional Power Rankings" where they look at all 30 teams and rate them by position. The infield portion is complete and I thought we might look at the results. I really like the Giants infield and I believe if all goes well they could generate 18 WAR (Buster 5, Belt 4, Panik 3, BCraw 3, Longoria 3, for example). If you follow the links and read the summaries you'll see that FanGraphs rates the TEAM by position but I only looked at starters. BCraw (3.1) rates higher than Addison Russell (2.
The Giants Infield
