The Pittsburgh Penguins confirmed it via Twitter:
Beau Bennett has been diagnosed with the mumps.
— Pittsburgh Penguins (@penguins) December 16, 2014
More updates will be provided as they become available.
Bennett joins teammate Sidney Crosby in the mumps club, along with a bunch of other NHL players.
In total, 15 players have been diagnosed during the outbreak, according to Stephen Whyno of the Canadian Press.