Historically so, in fact: "Filling in for the injured Taijuan Walker on Sunday, David Peterson tossed 4.1 scoreless innings against the Arizona Diamondbacks while continuing the early-season starting rotation dominance that has helped lift the Mets to a 7-3 record. The Mets' 1.07 rotation ERA through their first 10 games is not only the lowest mark in franchise history, but the lowest mark by any starting rotation through 10 games since the earned run became an officially tracked stat in 1913 (per Sports Radar)."