Hartlieb recorded a scoreless inning Saturday against the Yankees, striking out a pair without permitting a hit or walk.
The righty, who hasn't allowed a run in three outings covering three spring innings, is likely a favorite to earn a bullpen spot. Hartlieb compiled a 3.63 ERA working relief in 2020, though he allowed 19 walks in 22.1 innings. He has yet to issue a free pass in Grapefruit League action. Most likely, he'll continue to work the middle innings in 2021.