Replacement grass will be nearby and at the ready when the Sutter Health Park sod begins to deteriorate this spring with regular play from both the San Francisco Giants’ Triple-A team and the newcomer Athletics. Given the unique circumstances of a major league club sharing its ballpark with a minor league affiliate from another franchise — the Sacramento River Cats — contingency plans are in place to maintain the grass quality. Longtime head groundskeepers from the Giants and A’s have been part of the strategical efforts.