消息来源：
https://twitter.com/ChrisBHaynes/status/750349227419512832
Free agent guard Gerald Henderson reaches agreement with Sixers on two-year,
$18 million pact, league sources inform @clevelanddotcom.
七六人与Gerald Henderson达成协议
合约为两年1800万
短评或心得：
先前76人已经补进了Jerryd Bayless和Sergio Rodríguez
搭配年轻长人阵，感觉整体球队的阵容还算不差