ImpactHartlieb gave up one run in one inning during his lone MLB appearance this season, but a 3.29 ERA and 1.26 WHIP with Jacksonville will earn him a promotion as rosters expand Friday. Based on his poor major-league history, the 29-year-old righty will likely be limited to low-leverage outings while with Miami.
SEPTEMBER 1, 2023•ROTOWIRE