Hartwig, 25, spun a 3-2 record with a .421 ERA in 25.2 innings of work with 35 strikeouts to 15 bases-on-balls with Triple-A Syracuse before the Mets called him up recently.
Hartwig, 25, spun a 3-2 record with a .421 ERA in 25.2 innings of work with 35 strikeouts to 15 bases-on-balls with Triple-A Syracuse before the Mets called him up recently.