They have apparently turned the servers back on. About to try and confirm this:
http://www.polygon.com/2015/4/7/8367...career-killing
From the article:
"2K has restored the NBA 2K14 servers and all online services. Beginning today, we are extending the support of all NBA 2K servers from 18 to 27 months following each release, giving our players more time to experience and enjoy the highest rated NBA simulation video game franchise. The opinions of our community continue to have a positive impact on our business decisions as we strive to create the best possible experience for all of our fans."