Troy Murphy is back on the open market, with the Heat and Celtics considered the leading candidates to acquire his services: “The Miami Heat and Boston Celtics have emerged as the leaders to sign forward Troy Murphy, sources close to the situation told Murphy, who was traded last week to the Golden State Warriors after spending nearly two months in exile with the New Jersey Nets, completed a buyout agreement Sunday. Sources said that the Portland Trail Blazers also expressed interest in Murphy but he is deciding between the two East powers.”