Updated

Sunrise, FL (SportsNetwork.com) - The Penguins announced Monday that forwards Brandon Sutter and Steve Downie and goaltender Thomas Greiss were sent back to Pittsburgh to be tested for mumps.

The Penguins play at the Florida Panthers on Monday. The three players will be placed in isolation until test results are known.

Sidney Crosby, Beau Bennett and Olli Maatta have all tested positive, though Crosby is back in the lineup.