The Celtics have four players on an Exhibit 10 contract heading into training camp. Adam and Tim explore whether any of them can fill the 15th roster spot.

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....