Amid all the news about NBC Universal’s $37.5 billion merger agreement with Comcast last week, NBC Universal president and CEO Jeff Zucker quietly signed a deal that will keep him with the company through 2013, according to The Hollywood Reporter. Last week, Comcast and GE revealed that Zucker would head the new joint venture (which is 51 percent owned by Comcast and 49 percent by GE), but the news of his new contract wasn’t reported until last night.