The 25-year-old from Strathmore, Alta., played in 51 games with the Jets last season recording six points (two goals, four assists) and two penalty minutes.
The Jets claimed Ellerby off of waivers from the Los Angeles Kings on Nov. 2.
He has 26 points (four goals, 22 assists) and 88 penalty minutes in 211 career games with Florida, Los Angeles, and Winnipeg. He's also played in 150 career AHL games with the Rochester Americans, recording 47 points (11 goals, 36 assists) and 86 penalty minutes.
He was originally drafted by the Florida Panthers in the first round, 10th overall, in the 2007 NHL Entry Draft.