San Francisco Giants Pitching Staff: How Does It Compare to the Best Ever?

The San Francisco Giants' pitching staff has been on an unprecedented tear in the last three weeks. The Giants have pitched in 17 consecutive games in which they've held an opponent to 3 runs or fewer, and 12 consecutive games in which they've limited them to 2 runs or fewer.

Both of these streaks are records.

Where does this feat place San Fran's rotation amongst the greatest pitching staffs of all time?

Are they even the best staff in Giants' history? In honor of their feat, here are the 20 greatest pitching staffs of all time. 

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