Many people were surprised when the Cleveland Cavaliers signed Derrick Williams to a 10-day contract last week. Taken second after Kyrie Irving in the 2011 NBA Draft, Williams had struggled to find his place in the league, and has played for five teams during his six seasons. Now playing for a team with a winning record for the first time in his career, Williams is being given a real chance to carve out a role with the Cavaliers, but the questions are many. What strengths and weaknesses does Williams bring to the Cavaliers? Do his skills fit what the team needs?