The Mets had 12 relievers throw at least 10 innings for them in 2019. Four of those 12 had an ERA under 4.00 and here's how the other eight fared: Robert Gsellman - 4.66 ERA -- 63.2 IP, 33 ER Jeurys Familia - 5.70 ERA -- 60 IP, 38 ER Edwin Diaz - 5.59 ERA [...]
