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New York Islanders

How Barry Trotz, Lou Lamoriello transformed Islanders’ defense from worst to best

It’s not complicated, really, to explain the Islanders’ rapid transformation from the league’s worst defense to the best. 

Xs and Os play a part, for sure, as opposing offenses find little ice to operate through the Isles’ tight formation near their crease, keeping opponents to the outside and limiting both cross-ice passes and rebound chances. That foundation has put them in strong position to make the playoffs for the first time since 2016.

But if it were that easy, Doug Weight might still be coaching them instead of Barry Trotz, who along with new President/General Manager Lou Lamoriello, had proclaimed that the porous defense that allowed the most goals per game (3.53) in 2017-18, could be an easy fix. And it was, as Trotz and his staff got the team – 17 players are back from last season’s defensive wreck – to buy into the attention to detail needed to make it work.

“My observation of them last year was they created a lot offensively but it just seemed like they left (goalies) Jaroslav Halak or Thomas Greiss out to dry a lot of times,” said an NHL scout who requested anonymity. “The word was it was a pretty relaxed atmosphere in the room and in practice and there wasn’t much focus on the defensive side of play and it showed.

“Barry Trotz, with how he coaches with the details and emphasizes defensive play, it clearly shows in the results now,” the scout added. “It’s a matter of details defensively and holding players accountable and making sure they know their responsibilities.”

Before Saturday’s 4-3 overtime victory over the Avalanche,  the Islanders had allowed a league-low 129 goals, putting them on pace to give up only 200 over their 82 games. Last season, the Islanders gave up 293 goals, the most in the NHL since 2007. In five-on-five play, the Islanders were seventh in the league in allowing 23.7 shots per game, per NaturalStatTrick.com, after ranking 30th last season at 27.8. They were also leading the league in giving up 1.5 goals per game in five-on-five play after being 30th last season at 2.3.

“It just tells you their top guys take a lot of pride in playing both ends of the ice,” said the Kings’ Drew Doughty, who won the Norris Trophy in 2016 as the NHL’s top defenseman. “They’re not just cheating for offense. They’re looking to play good defense and then create offense when they get down there.”

“If you look at their defense corps, they have the guys,” Devils coach John Hynes added, citing defensemen Johnny Boychuk, Scott Mayfield, Nick Leddy and Ryan Pulock, in particular, plus the offseason acquisitions of forwards Valtteri Filppula, Leo Komarov and Matt Martin. “They’re big. They’re physical. They can skate. If you’re Lou and Barry and you come in and ask, ‘Can we be better defensively? Do we have the horses to be able to do it?’ They had the horses. Then you come into the buy-in and the enforcement of the commitment to defend.”

THE Xs & Os

To fully understand the defensive system Trotz is using with the Islanders and, before that, with the Capitals and Predators, draw an imaginary line from the goal crease to the right faceoff dot, across the hashmarks to the opposite dot and then back to the crease to create a triangular “home plate.” All five defenders are supposed to have their skates in that area, the defensemen low by the crease, the wings up near the faceoff circles and the center active in pursuing the play, going either side to side or coming up high.

Now, also draw an imaginary line down the center of the rink, from crease to crease. The defensive concept is to not let opponents pass the puck from one side of the line to the other. This is the “Royal Road” championed by former Islanders goalie Stephen Valiquette, now an analyst for MSG Network as well as the founder of Clear Sight Analytics. One of Valiquette’s analytical insights is that the puck crossing the “Royal Road” immediately preceding a shot increases the shooter’s scoring opportunity by more than 10 times.

The Islanders have also become much more adept at defensive-zone rotations. For instance, when the center pursues the puck into a corner, one of the wings will take over his defensive spot, rather than the more static alignment from last season.

“They protect the inside of the ice really well,” said defenseman Dan Girardi, whose Lightning lost Games 6 and 7 of the Eastern Conference final to Trotz’s Capitals by an aggregate 7-0. “They’re making you shoot it through three guys or make a few plays and hopefully open them up. But they’re not giving up a lot.”

IN THE CREASE

The Islanders are getting solid goaltending from Robin Lehner (16-8-4, 2.02 goals-against average, .932 save percentage entering Saturday) and Greiss (15-8-2, 2.33, .926 entering Saturday). But it goes hand in hand. The goalies are prospering behind the improved defensive play. Greiss explained it this way: Last season, he would need to make four or five reads on the opponents’ different options as they rushed up the ice. This season, he’s only needing to make one or two reads on a particular play.

“As a goalie, it makes a world of difference,” said ex-Islanders netminder Marty Biron, an analyst for the NHL and MSG Networks. “I don’t see the Islanders circling as much as other teams do. Some teams, their defensemen chase all the way to the blue line. Early in the shift, when there’s more energy, they may be jumping pucks and covering your man. But after 10, 15 seconds, it’s a zone (defense) and, ‘Let’s defend the middle of the zone.’”

But the defensive improvement is not limited to the Islanders’ zone. They have also become stingier in the neutral zone and more assertive with their forecheck.

“In the neutral zone, they do the 2-3 and they send both their wingers and then kind of lock on to their guys,” Kings left wing Carl Hagelin added. “They play pretty tight so you don’t have a lot of room. That’s what they’re really good at.”

Kings interim coach Willie Desjardins said Trotz’s ability to consistently roll four lines – Trotz rarely looks to match lines, instead trusting all can handle whatever defensive assignment is required – is also beneficial.

“When you have less minutes, it makes you a little fresher on the ice so I think it helps at both ends of the rink,” Desjardins said. “You get back into your structure quicker.”

It’s a similar turnaround to the one Trotz, who led the Capitals to the Stanley Cup last season, engineered in his first season in Washington in 2014-15. The Capitals were eighth in the NHL in allowing 21.7 shots per game five-on-five and 11th in giving up 1.6 goals per game five-on-five after their respective numbers the previous season were 24.8 (25th in the NHL) and 1.9 (21st).

In both spots, Trotz found players frustrated with a lack of success and eager for direction.

The Islanders’ players were also motivated by doom-and-gloom predictions about life after ex-captain John Tavares left for the Maple Leafs via free agency.

“I saw a hungry group of young men,” Trotz said. “I had a group focused on trying to rectify some of the things that went on in the summer. You lose a guy like John Tavares, a lot of people put doubt on the New York Islanders. The players recognized we’re going to be OK. You don’t win with one player.”

Now, the Islanders win with defense. It’s not that complicated, really.

The Barry Trotz Effect

Shots against per game 5-on-5 (per NaturalStatTrick.com)

Season            Islanders (NHL rank)     Capitals (NHL rank)   

2018-19           23.7 (7th)                          25.2 (23rd)

2017-18           27.8 (30th)                        24.8 (16th)

2016-17            25.3 (26th)                       21.8 (3rd)

2015-16           24.0 (23rd)                        22.0 (7th)

2014-15            22.5 (12th)                        21.7 (8th)

Note: Capitals 24.8 (25th) in 2013-14, season before Barry Trotz arrived

Goals per game against 5-on-5 (per NaturalStatTrick.com)

Season           Islanders (NHL rank)       Capitals (NHL rank)

2018-19          1.5 (1st)                               2.1 (18th)

2017-18          2.3 (30th)                             1.9 (13th)

2016-17          2.1 (28th)                             1.4 (1st)

2015-16          1.8 (18th)                             1.6 (6th)

2014-15          1.9 (23rd)                             1.6 (11th)

Note: Capitals 1.9 (21st) in 2013-14, season before Barry Trotz arrived