Cornish , 22 , was the Mets ' 19th - round pick out of San Diego last June .
Cornish , 22 , went 0 - 0 with a 2.16 ERA in 14 relief outings at Class A Short Season Brooklyn .
Cornish , 22 , was the Mets ' 19th - round pick out of San Diego last June and went 0 - 0 with a 2.16 ERA in 14 relief outings at Class A Short Season Brooklyn .