Ohm Youngmisuk: Hawks' guard Nickeil Alexander-Walker wins the Most Improved Player award. He is the second Hawk to win the award in a row, following Dyson Daniels. Alexander-Walker averaged a career-high 20.8 points, increasing his scoring by 11.4 points from the 9.4 points per game last seasonTwitterThis article originally appeared on Hoops Hype: He is the second Hawk to win the award in a row, …