BOSTON — The Celtics' main roster question has been answered ahead of the regular season. As expected, Lonnie Walker IV was waived after a strong showing throughout the training camp and preseason with the team. But it was always an uphill climb for the 25-year-old considering the Celtics roster and payroll.

Walker could not perform well enough to climb the financial mountain in front of him, so the Celtics are waiving

The Boston Celtics are waiving guard Lonnie Walker IV, sources told ESPN's Shams Charania on Tuesday. Walker, 25, joined the Celtics on a non-guaranteed exhibit-10 deal over the summer and averaged 7.