How the NHL pulled off its new goal simulation animations — and what comes next
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Greg Wyshynski, ESPN
In an overtime game against the Philadelphia Flyers recently, Edmonton Oilers star Connor McDavid flew into the zone on a breakaway, shot the puck off the post, recovered it and passed over to a streaking Leon Draisaitl for the winning goal.
Fans could watch a video clip of that goal, but the NHL’s official website offers a different way to process the play: a “goal simulation” animation.
McDavid is a small dark circle with 97 on it, being defended by orange circles with corresponding jersey numbers to the Flyers. The puck is a black speck. One can track Draisaitl’s journey from his own zone to the winning goal — and Travis Sanheim‘s inability to catch up to him — including what happened outside the frame of the television cameras.
Finally, in the cheekiest part of the simulation, a series of quickly multiplying Oilers “dots” appear on the ice, as Edmonton players hop over the boards to celebrate the win and mob Draisaitl.
“People kind of discovered it organically,” said Russ Levine, group vice president of statistics & information for the NHL. “They’re finding unique things or little viral moments, and that has been rewarding. That’s what we hoped fans would discover.”
The “goal simulations” are created through the NHL’s puck- and player-tracking technology, which collects data and tracks the movements of every player on the ice and the puck itself.
“We think it allows you to see a play in a different way. You can see the spacing, player positioning, gaps or lack thereof in a way that’s very stark and different from a broadcast view because it’s two dimensional and straight over the top,” Levine said. “We think it’s a really unique, quick way to review a play and see it in a different light.”
HOCKEY IS A SPORT of constant motion. Levine said this presentation of scoring plays allows fans to see how every part of that offensive chance develops.
“I think we’re always searching for things that will help fans better understand what’s happening on the ice,” he said. “Puck and player tracking is a way to take this very chaotic game — with live substitutions, players hopping on and off the ice and the best players playing a third of the game — and finding new ways to quantify performance or evaluate what happens on a play.”
But the goal simulations also have an old-school charm. Seeing plays develop into digitized shots and passes conjures memories of early hockey video games, too.
“The nostalgia for that era of video games seems to be never-ending,” Levine said. “And I do think you’re right: It’s simple, and it looks kind of like those early games.”
The NHL first started developing puck- and player-tracking technology in 2013, using several different variations of infrared and optical tracking systems. In 2019, the NHL and NHLPA announced that players would wear sensors inside their uniforms that, when combined with a chip located inside the puck, would capture real-time data ranging from speed to distance to mapping locations on the ice. There’s also an optical tracking component that validates that data “within a few milliseconds,” according to the league, which renamed its tracking technology NHL Edge.
Over the years, the league has learned how to handle some of the challenges to ensuring NHL Edge’s accuracy. Sometimes arenas move things around to obscure the sightlines of the cameras, which is part of the league’s game-night checklist for system calibration. Sometimes a chip goes out or gets knocked out of a player’s gear, so the league works with equipment managers to ensure they’re on the case.
“There’s some technical challenges, maintenance, and then there’s just some real life events that happen in games where things have to be corrected in a hurry to make sure we’re accurately capturing everything,” Levine explained.
Once captured, one of the uses for that data was through the SAP NHL Coaching Insights App, available to coaches and players on the bench during games via tablets. Levine said that’s where the goal simulations first showed up in 2022, as a way for teams to clip and analyze how plays developed. Known as “Virtual Replay” on the app, where full games are available, the NHL says its coaches have responded positively to it.
“They’ve appreciated the amount of tactical focus the view provides, along with the ability to see an accurate portrayal of width and depth on the playing surface that the traditional red line camera can skew,” said Brant Berglund, senior director of coaching and GM applications for the NHL. “They’ve also used it in video rooms and on the bench for various play reviews and coaching purposes.”
But the league believed that NHL Edge data could also be used to entertain and educate fans. It started working with a company called Beyond Sports to develop real-time digital recreations of NHL games in virtual reality and platforms such as Roblox.
Things took a giant leap forward in 2023 when the NHL and Disney worked together to create the Big City Greens Classic, which combined the NHL Edge location mapping with live, real-time volumetric animations of players and teams modeled after characters on the Emmy Award-winning show “Big City Greens.” As the Washington Capitals and New York Rangers played a game at Madison Square Garden, animated players mimicked their movements — under the watchful eye of a chicken in a referee shirt.
Incremental improvements were made last season for the Big City Greens Classic 2, with the Boston Bruins playing against the Pittsburgh Penguins:
THE NHL EDGE goal simulation animations are decidedly more low tech than the Big City Greens Classic, and that’s by design: While there’s inherent entertainment value in watching little circles race around the ice, the goal is more educational and analytical.
“It’s the same underlying data: multiple position points per second that can be translated, whether it’s in a virtual broadcast featuring Disney characters or O’s on a ring plot,” Levine said. “There’s a lot of different uses for it that we can imagine in the future.”
The league decided to add “goal simulations” this season as part of a larger overhaul of NHL.com’s game presentations. After the NHL sold its stake in MLB Advanced Media to Disney in 2021, the league eventually began running its official website in-house. The league wanted to integrate more content into its box scores, including from its tracking data. Levine said starting with a commonplace event, like a goal, made the most sense.
“The thought was, ‘What can we add that will immediately sort of benefit the fan experience?’ Those six-plus goal events a game are the most important bits of data we have,” he said. “The idea is to just show people a clear view of what’s happening on a goal.”
The NHLPA signed off on player tracking years ago. Despite goal simulations occasionally putting the spotlight on players who negatively impact a play, Levine said he hasn’t heard of any pushback from the players, and doesn’t anticipate any.
“I don’t think there’s any risk of an exposure of a player-performance issue in moving dots that wouldn’t be exposed by television,” he said.
The next evolution for the goal simulations is to allow fans to share the clips on social media.
“That’s something we’re working on. I think the response we’ve seen on social from people reacting to them on the site indicates there is an interest in it,” Levine said. “It’s kind of a different way to look at a goal. There can be sort of viral aspects of some of these goals. We’re excited to see what fans will do with it when we’re able to make them completely shareable.”
TALLAHASSEE, Fla. — New quarterback Tommy Castellanos led a punishing rushing attack for Florida State with 78 yards and a touchdown as the Seminoles stunned No. 8 Alabama 31-17 on Saturday, ending the Crimson Tide’s streak of 23 straight wins in season openers.
Coming off a 2-10 season, Florida State handed a crushing setback to Alabama, which was viewed as a College Football Playoff contender under second-year coach Kalen DeBoer.
Castellanos, a transfer from Boston College, made headlines over the summer after saying legendary Alabama coach Nick Saban wasn’t there to “save” the Tide vs. Florida State in their Week 1 matchup and that he doesn’t “see them stopping me.” He backed up that jab by spearheading FSU’s dominant ground attack while staying efficient through the air, finishing 9 of 14 passing for 152 yards.
Students and fans swarmed the field at Doak Campbell Stadium to celebrate the upset by the Seminoles, who closed as 13 1/2-point underdogs at ESPN BET.
Under new offensive coordinator Gus Malzahn — who spent eight seasons as Auburn’s head coach — Florida State was physical from the start, finishing with 230 rushing yards and averaging 4.7 yards per carry. The Seminoles averaged just 89.9 yards during their disastrous 2024 season.
The Crimson Tide had not dropped a season opener since losing 20-17 to UCLA in 2001 under Dennis Franchione, and this defeat will ratchet up the pressure on DeBoer from the demanding Tuscaloosa faithful. His predecessor, Nick Saban, led Alabama to six national titles.
The Associated Press contributed to this story.
COLUMBUS, Ohio — Texas Longhorns quarterback Arch Manning failed to live up to lofty expectations in his starting debut Saturday at Ohio State, but Texas coach Steve Sarkisian called the 14-7 loss just “one chapter” in Manning’s season.
With scouts from more than a dozen NFL teams watching, including the nearby Cleveland Browns, Manning was inconsistent, displaying flashes of promise tempered by mistakes. He completed 17 of 30 passes for 170 yards, 1 touchdown and an interception — an underwhelming day for a player some have already pegged as the No. 1 pick in the 2026 NFL draft.
He also entered the game as the Heisman Trophy favorite (+650) at ESPN BET Sportsbook.
“For Arch, the expectations were out of control on the outside,” Sarkisian said. “I’d say let’s finish the book before we judge him. That’s one chapter.”
Texas started slowly offensively, struggling to create big plays. Manning was 0-for-5 with an interception on throws of more than 5 yards in the first three quarters. Sarkisian and Manning sat together in the locker room at the half, though, and went over some film and made some adjustments. In the fourth quarter, Manning completed 4 of 7 passes for 105 yards and a touchdown on passes of more than 5 yards.
“They’ve got a good scheme,” Sarkisian said. “They’ve got a very smart secondary, and they made Arch work. I thought at halftime, Arch having a chance to really sit and look at the tape and understand some of the coverages they were playing, I think that helped him into the second half.”
Still, it was too little, too late. Texas had four drives that ended in turnovers on downs, its most since its 2017 season-opening loss to Maryland. The Longhorns failed to score on their two red zone drives, including a fourth-down stop just inches from the goal line that deflated a 15-play, 70-yard drive that ate up 6:54 in the third quarter.
“I felt like hey, we don’t give them a chance to sub to real big people,” Sarkisian said. “We went with the sneak. I think they got under us pretty good and kind of took Arch’s legs out from him. Hindsight’s 20/20. If I could do it all over again, we’d probably sub and they’d put their big guys, we’d put our big guys in and see if we could get in the end zone.”
Manning finished with an off-target percentage of 37%, the worst by a Texas quarterback in a game over the past decade, according to ESPN Research.
“It took us too long to get the ball down the field,” Manning said. “That starts with me. … They’re a good team, but I thought we beat ourselves a lot. That starts with me, and I’ve got to play better for us to win.”
Manning, whose running ability is one of his strongest assets, added 38 yards on 10 carries, with his longest run being a 15-yard burst. The Longhorns outgained Ohio State 166-77 on the ground, and Sarkisian said he’d like to incorporate Manning’s running ability earlier.
“I think when that happened, I felt like he started really playing,” Sarkisian said of Manning’s rushing. “And we saw some real flashes and glimpses of the type of player that he’s going to become here.”
Texas had four new starters on its offensive line, but Manning had ample time to throw. He occasionally executed passes with precision, and other attempts were high, low, or thrown behind his receiver.
“I felt like Arch had good time in the pocket to throw it,” Sarkisian said. “I felt like we were moving the line of scrimmage; we were running the ball. We just didn’t create explosive plays early in the game like we did in the second half of the game. … I think we could have thrown it better than we did, but we didn’t throw it the way we wanted to because of the O-line. I thought the O-line gave us ample protection and opportunities to throw the ball down the field.”
Texas won’t play another Power 4 opponent until Oct. 4 at Florida, and those within the Longhorns’ program agreed that the offensive issues are correctable before the SEC slate begins.
“We had opportunities to score points and we didn’t,” Sarkisian said. “We’ve got to make a couple of throws. We’ve got to make a couple catches. We’ve got to make a couple better calls, but those are things that are fixable for us and I feel confident in that.”
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Jake Trotter
COLUMBUS, Ohio — Ohio State opened its national title defense by playing dominant defense.
The third-ranked Buckeyes rattled quarterback Arch Manning and stuffed top-ranked Texas four times on fourth down on the way to a 14-7 victory Saturday at the Horseshoe.
Two of those fourth-down stops came inside the Ohio State 10-yard line.
Another came on Texas’ final possession. Manning found tight end Jack Endries on fourth-and-5. But Buckeyes star safety Caleb Downs wrapped Endries up two yards short of the first down to seal the win.
“The story of the game was the defense,” said Ohio State coach Ryan Day. “Those fourth-down stops were big.”
The Buckeyes defeated Texas with a fourth-down stop in last year’s CFP semifinal. Jack Sawyer stripped Texas quarterback Quinn Ewers on fourth-and-goal and scooped up the fumble for the game-clinching touchdown at the Cotton Bowl, propelling Ohio State to the national championship game.
On Saturday, the Buckeyes defense — featuring eight new starters and a new coordinator in Matt Patricia — came up big on fourth down again.
In the first half, Ohio State stopped Manning on a fourth-and-goal quarterback sneak from the 1-yard line.
Midway through the fourth quarter, Texas finally got back inside the Ohio State 10. But cornerback Davison Igbinosun swatted away Manning’s fourth-down attempt in the end zone.
Texas scored a touchdown with 3:28 left to avoid being shut out for the first time in nine years, then got the ball back with just over two minutes remaining with a chance to tie. But after Texas pushed the ball to midfield, the Ohio State defense ended the threat with Downs’ one-on-one tackle of Endries.
“He was unbelievable back there as a field general,” Patricia said of Downs, one of three returning starters along with Igbinosun and linebacker Sonny Styles. “Guys stepped up to the challenge all the way across the board.”
This offseason, Patricia replaced Jim Knowles, who left the Buckeyes following the national championship to become defensive coordinator for rival Penn State. Patricia had won three Super Bowls with New England, including two as the Patriots’ defensive coordinator, but had never coached a college game until Saturday.
According to ESPN Research, Texas’ four turnovers on downs were the most in the game since a 2017 season-opening loss to Maryland.
“I thought the game plan was excellent,” Day said of the defense, “but the buy-in is what’s most important. What matters is the guys and warriors on the field believing in it. … The grittiness of our guys running around, there’s a lot we can build on.”
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