Robertson was placed on waivers Sunday, PuckPedia reports.
Robertson (lower body) was a full participant in Tuesday's practice, Colin Stephenson of Newsday reports.
Robertson is tending to a lower-body injury and is considered day-to-day, Colin Stephenson of Newsday reports Tuesday.
Robertson signed a one-year, two-way contract with the Rangers on Monday.
Robertson was sent down to AHL Hartford on Monday.
Robertson was summoned from AHL Hartford on Friday.
Robertson was returned to AHL Hartford on Thursday.
Robertson was recalled from AHL Hartford on Wednesday.
Robertson was brought up from AHL Hartford on Tuesday.
Robertson was reassigned to AHL Hartford on Wednesday, per CapFriendly.