The Lightning–Panthers rivalry, also known as the Battle of Florida, is an American professional ice hockey rivalry between the Tampa Bay Lightning and the Florida Panthers. Both the Lightning and the Panthers compete in the National Hockey League (NHL)'s Atlantic Division (and both were temporarily placed in the Central Division for the 2020–21 season). In past seasons, the rivalry has been recognized in a trophy known as the Governor's Cup, also called the Sunshine Cup and later the Nextel Cup Challenge.