 Former UConn star Kemba Walker going to be hanging him up. He played in the EuroLeague on Monaco this past season. Kemba Walker, 19 points on average, 750 games with the Charlotte Hornets here in Boston with the Celtics, the Knicks, and the Mavericks. Four All-Star appearances. He was also the most outstanding player of the 2011 Final Four, UConn, and a national title run that year. Shohei Otani says he will not take part in the Home Run Derby on July 5th.