It's the latest shakeup for the NHL team in Canada's capital city in three months since owner Michael Andlauer took over.
By going on the long-term IR, Copley will miss a minimum of 10 games.
Tatar had a goal and eight assists in 27 games for Central Division-leading Colorado this season. He signed a one-year deal with the team in September.
Luongo spent parts of eight seasons with the Canadian franchise after being acquired in 2006 as part of a package deal with the Florida Panthers.
The 59-year-old Granato posted on X that he will begin treatment this week.
Bortuzzo, 34, had been with the Blues since 2015. He scored two goals in 17 games during their Stanley Cup run in 2019.
Klingberg, who hasn't played since Nov. 11, was placed on long-term injured reserve last month.
NHL Commissioner Gary Bettman said Tuesday the league is moving forward with holding the 2024 draft at The Sphere in Las Vegas,
NHL reaches new golden age of brotherly love with 20 sets of siblings playing this season
The deal carries an average annual value of US$4 million and is set to begin in the 2024-25 season.
Newhook appeared to sustain the injury during Thursday's game against the Florida Panthers.
Schwartz was injured during Seattle’s loss at Chicago on Tuesday night.
The contract, which runs until the end of the 2026-27 season, has an annual average value of US$3.15 million
In exchange, the Canucks will receive a fifth-round pick in the 2024 draft.
He signed a contract Tuesday worth a prorated $2.75 million, meaning he'll make just over $2 million through mid-April.
NHL chief content officer Steve Mayer said going back to hockey's biggest market was the right time to add more events.
Vasilevskiy missed 20 games after undergoing a microdiscectomy to address a lumbar disk herniation two months ago.
Winnipeg Jets head coach Rick Bowness has returned to the team and will be behind the bench for Friday's road game against the Florida Panthers.
Coach Luke Richardson said Hall is going to have ACL surgery.
Injury details were not disclosed but the Swede is reported to be dealing with a hip issue.