While 3.50 is a sporty ERA for the Sox, if we are focused on ERA, the Sox have been out-pitched by two of the three teams they have played so far this month.
Nats team ERA....last 14 days = 3.20, last 7 days = 3.19
O's team ERA....last 14 day = 5.01, last 7 days = 4.69
Blue Jays team ERA....last 14 days = 3.31, last 7 days = 3.07