The 18-year-old blocked a shot in the second period and did not return for the third, according to Sportsnet's John Shannon.
The injury is not believed to be serious and head coach Phil Housley noted postgame that Dahlin will travel with the team to New York for its game against the Rangers on Sunday, but there has been no diagnosis yet, according to Mike Harrington of The Buffalo News.
Dahlin, the first overall pick in June's draft, picked up an assist Saturday before exiting, giving him five points in 14 games this season.
Late in Friday's game against the Vancouver Canucks, the Colorado Avalanche's red-hot trio connected on the power play, pulling off a flawless passing sequence to take a 6-5 lead with under two minutes to go in regulation.
Let's take a closer look at how they did it.
We pick things up with Rantanen (No. 96) controlling the puck as Colorado sets up with about 20 seconds left in the penalty to Canucks center Bo Horvat.
Rantanen evaluates his options with Landeskog planted down low, Matt Calvert in the slot, Tyson Barrie at the blue line, and with the path to MacKinnon obstructed by two Canucks penalty killers.
Rantanen elects to move into the faceoff circle, drawing in multiple Vancouver defenders in the process. Ben Hutton takes him on directly.
Hutton appears to be playing Rantanen well, but the Avalanche winger feathers a beautiful pass between the blade of Hutton's stick and the Canucks rearguard's skates, and the puck goes by him on the way to Landeskog.
Landeskog stops the puck on his stick for a split-second while sitting on the doorstep and quickly recognizes both that he can't safely get it to Calvert and that MacKinnon is lurking unattended in the other circle.
Landeskog quickly slings it in MacKinnon's direction.
MacKinnon goes down on one knee and rips a one-timer, to which Canucks goaltender Jacob Markstrom barely has time to react.
It's a perfectly placed shot, and it beats Markstrom short side.
The whole sequence was textbook power-play strategy and execution, carried out about as well as possible.
The awareness and passing ability shown by both Rantanen and Landeskog, plus the finish by MacKinnon, made it a shining example of how and why they've been so dominant this season.
Colorado ultimately gave up the tying goal with 36 seconds left and then lost the game in overtime, but MacKinnon's second marker of the night served as an immaculate illustration of the chemistry the trio has developed.
Montreal Canadiens forward Paul Byron missed Thursday's contest against the Washington Capitals due to a lower-body injury. On Saturday, coach Claude Julien announced the ailment will keep him sidelined for at least the next three games.
Byron will not suit up Saturday against the Tampa Bay Lightning, nor will he make next week's trip to New York to take on the Islanders and Rangers.
An extended absence could be a key loss for Montreal, as Byron is tied for fifth in team scoring with seven points in 11 games.
Byron is in his fourth season with the Canadiens. He inked a four-year, $13.6-million extension during training camp.
After picking up at least one assist through the season's first 12 games - a feat that matched NHL legend Wayne Gretzky for most all time - the Carolina Hurricanes forward failed to add another helper in Friday's overtime loss to the Arizona Coyotes.
Aho was held scoreless on the night, and while he won't take sole possession of top spot in NHL history, his showing through the first dozen contests was, naturally, good enough to set a Hurricanes record.
The Finnish forward has registered 17 points across 13 contests this season.
The rookie racked up five points in Friday night's 7-6 overtime victory against the Colorado Avalanche, raising fans to their feet every time he touched the puck. In fact, he became the youngest player in franchise history to reach the five-point mark in one game, according to Sportsnet.
He scored the game-tying goal, and assisted on Derrick Pouliot's OT winner, but his best work of the night may have come on this sensational bank pass to Brock Boeser in the second period.
"His pass on my second goal was something," Boeser said postgame. "That's rare. I was speechless. He's mini-Pavel like I said. He's leading us and helped us get this big win tonight."
The play had many drawing comparisons to another Canucks great in Henrik Sedin.
Expectations were high for Pettersson heading into his rookie season after breaking numerous Swedish Hockey League records for a U20 player a year ago, but it's hard to imagine anyone predicted he'd have nine goals and 15 points in his first nine games.
Pettersson already seems like a runaway favorite for the Calder Trophy as the league's top rookie, but if he keeps this up, he may find himself in the Hart Trophy conversation sooner or later.
The Canucks lead the Pacific Division with 18 points, and it's difficult to imagine where they'd be without Pettersson.
The New Jersey Devils' 2015 sixth overall pick, Pavel Zacha, was assigned to the AHL on Friday after failing to record a point in the first 10 games of the regular season, the club announced.
Zacha had become a regular for the NHL club the past two seasons, skating in 139 games and producing 49 points.
Lemieux is no stranger to the penalty box, as he amassed 170 PIMs in 51 games with the AHL's Manitoba Moose last season. Lemieux's father, Claude, was known for playing with an edge during his 1,215-game NHL career.
The Nashville Predators got a glimpse of their goaltending future over the past two weeks, and it was awfully bright.
Pekka Rinne has been the face of the Predators for over a decade. He's their anchor between the pipes and, as P.K. Subbanput it following last year's playoff exit, "the backbone of this team." But the remarkably durable Rinne missed about two weeks due to injury before returning to action Thursday night against Tampa Bay.
His short absence opened the door for 23-year-old Juuse Saros - Rinne's eventual successor - to serve as Nashville's No. 1 netminder, and the results were positive. Saros went 4-2-0 with a .922 save percentage, a 2.49 goals-against average, and one shutout.
That solid play wasn't a fluke, as Saros owns a .922 save percentage and a 2.43 goals-against average in 56 career games as a backup.
Andy Devlin / National Hockey League / Getty
Interestingly, the young Finn's appearance doesn't exactly scream franchise goaltender, as it's rare to see a goalie under 6-foot-3 in today's NHL. Rinne, for example, is 6-foot-5 while Saros checks in at just 5-foot-11, which likely contributed to him slipping to the fourth round of the 2013 draft. Yet, despite his small stature, the latter has enjoyed success at every level, getting by with reflexes, athleticism, competitiveness, mental toughness, and a high hockey IQ.
Given so few late-round picks pan out, drafting Saros is already a win for the Predators, but the selection could prove even more important next season and beyond.
Potential cap issues
Rinne, who turns 36 on Saturday, will be an unrestricted free agent following the season, and while the Predators would surely like to have the reigning Vezina Trophy winner back, the salary cap may get in the way.
Nashville's projected cap hit for next season is slightly above $64 million, according to Cap Friendly. Under the current $79.5-million cap, that gives the team just over $15 million in projected space, making it highly unlikely the front office will be able to meet Rinne's demands, especially considering he's already one of the league's highest-paid goalies:
Goalie
Age
Cap Hit
Carey Price
30
$10.5M
Henrik Lundqvist
36
$8.5M
Sergei Bobrovsky
29
$7.425M
Tuukka Rask
31
$7M
Rinne
36*
$7M
* As of Saturday
In addition to Rinne, the Preds have six impending free agents, including RFAs Kevin Fiala and Ryan Hartman - two players that general manager David Poile likely views as part of his long-term core. But perhaps more importantly, Roman Josi's contract expires after the 2019-20 season, and he could realistically demand Drew Doughty money (eight years, $88 million) as an unrestricted free agent heading into his age-30 season.
Simply put, it's improbable that Nashville will re-sign Rinne, unless he's willing to take a significant hometown discount. The team plays in one of the league's smaller markets and is surely aware of the risks that would come with signing an aging goalie to a big-money contract, even if it's short term. And with plenty of goaltender-needy teams out there, there will likely be more than one general manager who's willing to pony up for Rinne.
Bruce Bennett / Getty Images Sport / Getty
Meanwhile, Saros' contract doesn't expire until after the 2020-21 season, and having a starting goaltender who makes just $1.5 million would give Poile plenty of flexibility to retain key players and use the remaining money to improve the rest of his roster.
The Predators are arguably the NHL's deepest team and they're in win-now mode with Rinne in goal - as they should be. But while the sample size of Saros' starting stint is admittedly small, all signs point to him being ready to succeed as the No. 1 after being groomed for years behind one of the best in the business.
We'll only know for sure once Saros is actually handed the crease, but it seems the Predators have the goalie they need to remain a legitimate Stanley Cup contender once the sun sets on Rinne's time in the Music City.
