David Robertson (groin) threw on flat ground Wednesday.
Yankees placed RHP David Robertson on the 15-day disabled list with a Grade 1 groin strain.
David Robertson allowed a single and a walk but hung on to convert his second save of the season in Sunday's win over the Blue Jays.
David Robertson is not available for the Yankees on Saturday after working in back-to-back games.
David Robertson converted his first save chance in the post-Mariano Rivera era by pitching a perfect ninth Thursday against the Astros.
Yankees managing general partner Hal Steinbrenner said Wednesday that David Robertson will be the team's closer in 2014.
Yankees avoided arbitration with RHP David Robertson by agreeing to a one-year, $5.215 million contract.
Yankees GM Brian Cashman said Tuesday that he hasn't settled on David Robertson as the 2014 closer.
David Robertson, not Mariano Rivera, was called upon to protect a one-run lead in Friday's victory against the Astros.
David Robertson struggled in his second appearance back Thursday, giving up three runs in the eighth against the Orioles.
David Robertson (shoulder) expects to be available Wednesday.
David Robertson (shoulder) might not be available for the series against the Orioles.
David Robertson (shoulder) said the he felt better on Saturday, but will still rest for the next 3-4 days before attempting to throw again.
David Robertson (shoulder) will be shut down for the next 5-6 games due to tendinitis in his shoulder.