The 38-year-old Swede played 15 seasons with the New York Rangers before signing a one-year contract with the Capitals during the off season. "It breaks my heart (literally) to share this news: I will not be joining the Capitals this upcoming season," he wrote on Twitter.
The Lightning won Game 6 against the Dallas Stars 2-0 for a 4-2 series win.
The National Hockey League said it has postponed playoff games that were scheduled for Thursday and Friday, joining similar moves by other leagues in protest over the police shooting of a Black man in Wisconsin on Sunday. The decision impacts all the eight remaining playoff teams, starting with Thursday games between the Philadelphia Flyers and New York Islanders, and the Vancouver Canucks and Vegas Golden Knights. The Boston Bruins were scheduled to play the Tampa Bay Lightning on Friday followed by a game between the Colorado Avalanche and Dallas Stars.
The team said in a statement to the Chicago Sun-Times that the name celebrated the life of Black Hawk of Illinois' Sac & Fox Nation, and that it would work to further raise awareness about Native American culture. The announcement comes after the NFL's Washington Redskins and MLB's Cleveland Indians said last week they would consider changing their names. The name and logo symbolized an "important and historic person ... whose leadership and life has inspired generations of Native Americans, veterans and the public," the Blackhawks said.