McDonagh, who was named team captain before the season, had three assists in 10 games before the injury. He had 14 goals and 29 assists last season for the Rangers
Rick Nash leads the team with 23 points on 15 goals and eight assists, while Martin St. Louis and Derick Brassard each have 17 points.
New York has started the season 9-8-4 and is tied for third in the Metropolitan Division.
The Rangers play at the Flyers at 1:00 p.m. on Friday.
- Paul Palladino