Meanwhile, Thomas Chabot (upper body) continues to miss time for Ottawa, and is likely 10 days away from returning, per Adams. He has not played since Nov. 22.
Both Eller and Zub have suited up for all 26 Senators games this season.
The 36-year-old Eller has been quiet for Ottawa this season, scoring just two goals along with four assists. He signed a one-year contract in the off-season.
Zub has been solid, scoring three goals with 11 assists, emerging as one of Ottawa’s best blue-liners.
The Senators and Rangers square off at the Canadian Tire Centre at 7 p.m. ET / 4 p.m. PT.