Kyle Lowry suffered a fractured thumb and Serge Ibaka sustained an ankle injury in the Toronto Raptors' 122-104 road win over the New Orleans Pelicans.

Friday's victory, secured after a superb 44-point showing from in-form Pascal Siakam that matched his career high, came at a cost for the defending NBA champions, who moved to 6-2 for the season.

X-rays confirmed Lowry, 33, suffered a small fracture in his left thumb when he was attempting to steal the ball from Pelicans center Derrick Favors in the first quarter. 

The injury is unrelated to the surgery he had on the same thumb in the offseason and he will now see a hand specialist in Los Angeles on Saturday.

"It felt weird from the rip," said five-time All-Star Lowry, who initially tried to play on after the injury before leaving the game midway through the second quarter. 

"I kept playing through it and kept playing through it. Originally, we thought it was something in the nail bed because the nail bed turned black and blue. It's a little more serious than a nail bed. I'll be fine."

Ibaka was in a walking boot after the game having suffered a severely sprained ankle as he contested a lay-up from Brandon Ingram – who led the Pelicans with 27 points - late in the second quarter. He was visibly in pain as he lay on the court.

Head coach Nick Nurse said: "I didn't see what happened but the report is it is pretty bad."

The Raptors, who have impressed so far without the departed Kawhi Leonard, are now set to be shorthanded as they travel to take on the Los Angeles Lakers (7-1) on Sunday.

Injuries to the two regulars will lead to an even greater reliance on man-of-the-moment Siakam and Lowry said of his team-mate: "He is evolving into a superstar."

Kyle Lowry will remain with the Toronto Raptors for another two years after signing a one-year extension on Tuesday.

The reigning NBA champions confirmed the All-Star guard had agreed a new deal and, according to Lowry's agent Mark Bartelstein, the extension is for a further year and worth $31million.

Lowry had one year left on his old contract and will earn $33.3m this season, with the fresh extension keeping him off the free agent market next summer. 

“Kyle has been at the heart of every successful run our franchise has achieved the past seven seasons,” Raptors president Masai Ujiri said. “He is a competitor, a winner at every level and the engine that our players and city feed off from.”

Lowry, 33, added he was proud of the success he had experienced in Toronto so far.

"I'm very proud of what we have achieved with the Raptors, and I'm happy to be able to continue to call Toronto my home,” Lowry said.

"Bringing a championship to the city of Toronto and the country of Canada has been one the best things I've done so far in my career, and I'll push for that goal every single year I play this game.”

Since Lowry joined the Raptors in 2012, he has been part of five All-Star teams. He is entering his 15th season in the league and eighth with Toronto, which makes him the longest-tenured player on the roster.

During the Raptors' postseason run in the last campaign, Lowry averaged 15.0 points per game with 6.6 assists and 4.9 rebounds in 37.5 minutes of play.

Kyle Lowry has agreed a one-year, $31million contract extension with the Toronto Raptors. 

The All-Star guard's agent, Mark Bartelstein, revealed that an extra 12 months has been added to a deal which still has one year left and is worth $33.3million.

Lowry's extension will keep him off the free agent market next year.

Raptors president Masai Ujiri, general manager Bobby Webster and Lowry's agents at Priority Sports have been trying to work out an extension for months. 

Bartelstein said the way Toronto handled the situation and the importance the organisation placed on Lowry made a huge impact.

"We are so appreciative of how Masai and Bobby handled every aspect of this negotiation," Bartelstein told ESPN.

"Once again, they displayed how they look after their players in a first-class manner, especially someone like Kyle who they recognise has such a legacy with the franchise."

Lowry, 34, has said that he wants to finish his career with Toronto and that he was not looking forward to hitting the free agency market.

Now that the Raptors are coming off their NBA title-winning season, the team is eager to build up its roster with Lowry as a key centerpiece.

Lowry becomes the first player older than 33 to get an extension that includes a first-year salary-cap hit north of $30 million. However, he is still eligible to be traded this upcoming season.

Since Lowry joined the Raptors in 2012, he has been part of five All-Star teams. He is entering his 15th season in the league and eighth with Toronto, which makes him the longest-tenured player on the roster.

During the Raptors' postseason run, Lowry averaged 15.0 points per game with 6.6 assists and 4.9 rebounds in 37.5 minutes of play.

Kyle Lowry wants to stay with the Toronto Raptors for the long haul despite Kawhi Leonard opting to leave during free agency.

NBA Finals MVP Leonard departed the championship-winning Raptors for the Los Angeles Clippers, where he will team up with six-time All-Star Paul George.

Danny Green left Toronto for a contract with the Los Angeles Lakers, but Lowry, who is set to become a free agent in 2020, is not intending to follow them through the exit door.

"I want to be there – I would love to do a long extension, but we'll see what happens," Lowry said. "But we'll have that discussion when the time is right."

Lowry understood why Leonard chose the Clippers, but he retains faith in the quality of the Raptors' roster.

"[Leonard leaving] wasn't a surprise," Lowry added. "I'm always happy for guys, especially a guy that helped do something fantastic and something great. He's an unbelievable friend of mine and is a good guy.

"He made a decision to go home and he is happy with that and I am happy for him. Truly. I am genuinely happy for him. It gives him a chance to be around his family and friends. You've got to respect the guy and be happy for him.

"We are champions. No matter what. [It will] never be taken away from us. Ever. Ever, ever. Ever, ever.

"We're still going to be able to run it back. We're the champions and we're trying to defend our title. I'm confident with our team."

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