For some time now, fans and analysts of the Boston Celtics have been mulling the idea of what it would look like to add veteran guard Lonnie Walker IV to the team's final open roster spot. But until recently,

After a disappointing foray into free agency, Lonnie Walker IV is trying to parlay a training camp tryout into a Celtics roster spot.

Walker is not the greatest defender, but neither is more than half the NBA. He doesn’t have a reputation as a bad teammate or difficult to coach, yet teams backed off.