Rask (undisclosed) won't be available Thursday night against the Rangers, Conor Ryan of MassLive.com reports.

EDGE Analysis

With regard to Rask's unspecified injury, Coach Bruce Cassidy noted that the team "thought it was something minor...but it's lingered." As a result, look for Daniel Vladar to back up Jaroslav Halak versus the Rangers, while Rask should be considered day-to-day.