The Seattle City Council unanimously approved plans for a privately funded $700 million renovation of KeyArena on Monday, clearing one of the last major hurdles in the city's bid to land an expansion NHL franchise.

The 8-0 vote was the final step needed to strengthen Seattle's expansion application, and it means a team could be playing in the building during the 2020-21 season.

Forward Brian Gionta has announced his retirement from the NHL after 16 seasons.

Gionta, 39, is a former Canadiens and Sabres captain and two-time U.S. Olympian. He won a Stanley Cup with the Devils in 2003.

"Playing with my childhood team the Sabres was a highlight of my career," the western New York native said at a news conference Monday.

With his playing career over, Gionta said he's taking a role within the Sabres organization.

The Montreal Canadiens have agreed to terms on a four-year contract extension with forward Paul Byron.

The deal, which has an average annual value of $3.4 million, was announced Sunday.

The 29-year-old Byron had 20 goals and 15 assists in 82 games with the Canadiens last season and ranked second on the team in goals.

The New Jersey Devils have signed forward Miles Wood to a four-year, $11 million contract.

General manager Ray Shero announced the signing Saturday. Wood will earn $2.5 million annually in the first three years of the contract and $3.5 millon in 2021-22.

The Detroit Red Wings will be without top defenseman Mike Green for the start of the regular season as he deals with a virus that has led to ongoing fatigue.

Red Wings general manager Ken Holland told the Detroit Free Press that Green "hasn't had a lot of energy," which led to him getting blood work done and then a follow-up appointment with a doctor.

The Buffalo Sabres can finally prepare for the start of the season after signing Sam Reinhart to a two-year, $7.3 million contract on Wednesday.

Reinhart was a restricted free agent, and the team's lone offseason holdout before reaching the deal after missing the first five days of training camp and two preseason games.

The Golden Knights are the most in-demand team for the second year in a row, according to StubHub data.

Vegas is outselling the Toronto Maple Leafs, the second-top-selling team, by 27 percent. This marks the first time a team has topped StubHub's NHL list two seasons in a row since the Chicago Blackhawks reigned from 2014-2016. Meanwhile, Vivid Seats reports that it has seen double the volume of sales for the Golden Knights as their No. 2-selling team, the New York Rangers.

Aleksander Barkov is the new captain of the Florida Panthers.

Barkov is taking over for forward Derek MacKenzie, who held the role for the past two seasons. The 23-year-old from Finland becomes the 10th player to be designated as Florida's captain.

Clay Riddell, the billionaire oilman and co-owner of the NHL's Calgary Flames, has died. He was 81.

The Flames and Paramount Resources confirmed his death Sunday, with the oil and natural gas company saying Riddell died Saturday.

Henrik Zetterberg will retire from the NHL due to a back injury.

Zetterberg had been holding out hope that he would be able to play again. Last month, he described a deteriorating condition that included nerve pain in his legs and disk-related issues.

Zetterberg has three years remaining on his contract, with an annual cap hit of $6.083 million.