The Boston Celtics have signed Lonnie Walker IV to an Exhibit 10 deal. Boston's move to add Walker to the Celtics training camp roster came out of nowhere. Now, the Boston Celtics could use the multi-level scorer to fill their final roster spot if he impresses during preseason.
------------------------ 00:00 Lonnie Walker Joins the Celtics 00:55 Understa…
Celtics add Lonnie Walker IV via Exhibit 10
