Lonnie Walker signs one-year deal with Celtics Free agent guard Lonnie Walker IV has signed a one-year deal with the Boston Celtics, ESPN NBA insider Adrian Wojnarowski first reported Wednesday evening. Instead of using their final roster spot on Walker, the Celtics are giving him an Exhibit 10 contract, according to NBA insider Shams Charania … Continue reading Lonnie Walker signs one-year deal with Celtics