MLB Baseball: Who has the best pitching staff in baseball through the 1st month

After an entire first month's worth of games, the Los Angeles Dodgers have the best pitching staff in baseball. Heading into the second game of their doubleheader on May 7th, the Dodgers led MLB with a 2.12 team ERA. Six different Dodgers have started at least two games this season, and collectively those starters have combined for a 14e-2 record. There are no weak links, as Tyler Anderson's 2.55 ERA is the highest on the team amongst the starters. Before heading to the injured list, Andrew Heaney was excellent and did not allow a run in his first two ...