From Christy Mathewson to Juan Marichal to Madison Bumgarner, the New York/San Francisco Giants franchise has featured some of the best pitchers of their era and all-time. Yet if you look through a list of ERA leaders, you might find yourself a bit surprised at times.
Today, we grabbed lists of the Giants top pitchers, ranked by ERA and by fWAR, for both all-time and since 2020.
It's no surprise to see Hall of Famer Christy Mathewson atop the list, with a 2.12 ERA for his career. But it's amazing to see just it compared to others in franchise history.