Senators coach Paul MacLean credits the team's strong farm system as the reason Jim O'Brien didn't make the team.
Jim O'Brien has cleared waivers and was assigned to Binghamton of the AHL.
Jim O'Brien was placed on waivers Thursday.
Jim O'Brien might find himself on waivers next week.
Jim O'Brien scored the only Ottawa goal in a 2-1 overtime loss to the Bruins Thursday night.
Jim O'Brien has inked a two-year contract extension with the Ottawa Senators.
Senators coach Paul MacLean has been happy with Jim O'Brien since he was called up on Feb. 3.
Jim O'Brien potted his first career goal in Wednesday's win over Florida.
The Ottawa Senators have called up Jim O'Brien.
Jim O'Brien may have a very good chance to break camp with the Senators next season.
Jim O'Brien has been returned to the AHL by Ottawa.
The Ottawa Senators have summoned Jim O'Brien from AHL Binghamton.
To update two earlier notes, Jim O'Brien and Andre Benoit have been returned to the minors by the Senators.
Jim O'Brien has been called up for Wednesday's game against Florida.