Two views of the Barclays Center hypemasters: smiling, and grimacing

Before the big announcement Monday, Brooklyn Borough President Marty Markowitz, on his Facebook page, posted Paul Martinka's photo of himself (center), Atlantic Yards developer Bruce Ratner (left), and superstar Jay-Z.

The same day, Tracy Collins captured Jay-Z and Nets/Barclays Center CEO Brett Yormark looking a little tense.