 During the 2010–11 season, the Panthers honoured Dvořák for playing more career games as a Panther than anyone in franchise history on November 23 before a game against the Pittsburgh Penguins.In 53 games that year, Dvořák had 7 goals and 14 assists for 21 points.On February 28, 2011, the Panthers traded Dvořák (along with a fifth-round pick in the 2011 NHL Entry Draft) to the Atlanta Thrashers in exchange for Patrick Rissmiller and Niclas Bergfors.