Jacob deGrom now has a 0.62 ERA through 9 starts.
— ESPN Stats & Info (@ESPNStatsInfo) June 6, 2021
That's the best ERA by any pitcher in his first 9 starts of a season since earned runs became official (1912 in NL, 1913 in AL).
Hall of Famer Juan Marichal had the previous record (0.69 ERA in 1966).
h/t @EliasSports pic.twitter.com/u6g367jDZZ