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All Mike Babcock could do was grin.

Since Game 5 against the Boston Bruins started with back-to-back Maple Leafs stick infractions - first, a questionable tripping call on winger Zach Hyman, then a borderline hooking call on forward Patrick Marleau - the bench boss did what we all do when we feel wronged but can't change the outcome of the matter at hand.

He smiled, once for each perceived slight.

The opening-round series' on-and-off officiating controversy - which peaked during a whistles-away Game 2 - reappeared Friday. The Leafs powered through the noise, though, bagging two even-strength goals over a two-minute span in the third period before holding off a late Bruins surge.

Toronto won 2-1 and now leads the series 3-2. With a victory Sunday at home, the high-profile club can advance to the second round for the first time since 2004.

"Obviously, the hardest game to win is the fourth game to put the other team out, especially a proud group of guys," Babcock told reporters postgame, tipping his cap to the Bruins. "It is something that we haven't been able to do in the last three years."

This version of Boston-Toronto has been very tight. Both clubs have scored 14 goals and have mostly received quality goaltending. Truthfully, nobody's running away with the series.

[Other = penalty-shot, empty-net, or pulled-goalie goals]

The Leafs have been the better team at five-on-five, limiting the formidable trio of Brad Marchand, Patrice Bergeron, and David Pastrnak to three even-strength goals. The Bruins, meanwhile, have dined on special teams, collecting five power-play markers in Games 1 through 4 while holding Toronto to just three on the PP. (Neither team scored on the PP in Game 5.)

Since the Leafs' two goals on Friday were so clean and well-executed, and occurred in what could be the series' turning-point contest, let's take a closer look at both sequences:

1-0 (Auston Matthews)

This goal was a complete group effort.

Defenseman Nikita Zaitsev made a terrific pass to Hyman, sending the puck from the Leafs' hash marks all the way to the far blue line. Toronto loves its stretch passes, and this particular attempt led to a clean zone entry.

Boston defenseman Charlie McAvoy then ran into Hyman, forcing him to find a streaking Kasperi Kapanen, who immediately handed off to Auston Matthews. Without puck support from Kapanen and Matthews, this play dies.

Matthews quickly deferred to Jake Muzzin hanging out at the point. Muzzin - who's having a tremendous series and became a father Thursday - wound up for a slap shot, faked it, then fed Matthews with an accurate pass. The big center had found a nice, open spot on his off wing and nailed the one-timer.

Boston goalie Tuukka Rask had no chance on Matthews' series-leading fourth goal. "He's a big guy so when he opens up you see him out of the corner of your eye," Muzzin said. "And great finish by him."

Hyman's role in the goal triggered a challenge from the Bruins, however. Coach Bruce Cassidy claimed the workhorse winger interfered with Rask.

The Situation Room - the league's centralized video room - took over for the on-ice officials and determined, yes, Hyman did interfere with Rask but the act wasn't egregious enough to overturn what had originally been ruled a good goal.

The bar is high for the Situation Room to overturn good-goal and no-goal calls made at ice level, and Hyman's interference didn't pass its threshold. There was contact, but the contact was 1) outside the blue paint, and 2) not compelling enough to justify a change.

2-0 (Kasperi Kapanen)

In a Game 5 defined by a dearth of scoring opportunities from either team in the first 50 minutes, the Leafs managed to once again create offense by committee.

Two minutes after opening the scoring, Matthews swooped deep into Toronto's zone to receive a short breakout pass from defenseman Ron Hainsey. Matthews then found Hainsey's partner, Morgan Rielly, cruising through the middle of the ice.

Untouched, Rielly exited the Leafs' zone and entered the Bruins' zone in style before passing to winger Andreas Johnsson. When the Leafs are rolling as a cohesive unit, they're a runaway train. You could sense what was coming.

Johnsson went cross-ice to Kapanen and the 22-year-old Finn fired the puck into the open net. After accumulating 11 shots but zero goals in the first four games, Kapanen had his first of the playoffs. Babcock labeled it "huge" for the speedster's confidence.

"It doesn't matter who you are, at times when it isn't going good for you, you question yourself a little bit," the coach said. "That is what the National Hockey League is about. It takes your confidence away at times. You just keep grinding. I thought he was great tonight."

The game itself wasn't great Friday. It was slow and devoid of action until midway through the third. But it picked up, and following the Leafs' goals, Boston's David Krejci scored with Rask pulled to launch a short-lived comeback.

Combined with a shutdown performance from John Tavares, Matthews has been a gigantic difference-maker this series, especially since third-line center Nazem Kadri's been sidelined due to a suspension.

If Kapanen, Matthews, and the rest of the Leafs can replicate that Game 5 performance on Sunday, there's a strong chance the Leafs will be seeing the Columbus Blue Jackets in the next round.

Wouldn't that bring a smile - of a different variety - to Babcock's face.

John Matisz is theScore's National Hockey Writer. You can find him on Twitter @matiszjohn.

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The Colorado Avalanche eliminated the Calgary Flames from the postseason in five games Friday night with a one-sided 5-1 victory. Along with the Tampa Bay Lightning's sweep at the hands of the Columbus Blue Jackets, it marked the first time both No. 1 seeds lost in the first round in the expansion era.

The NHL expanded from six teams to 12 teams for the 1967-68 season, marking the beginning of the expansion era. With only six teams in the league before 1968, there was only one division, and thus only one top seed.

Calgary and Tampa didn't just lose, the two teams were completely outmatched, combining to win just one playoff game.

The Avalanche will now play the winner of the San Jose Sharks and the Vegas Golden Knights in Round 2. Vegas currently leads the series 3-2.

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It was only a matter of time before goalie interference reviews left their mark on the 2019 Stanley Cup Playoffs.

After a goal stood earlier in the evening during Game 5 between the Toronto Maple Leafs and Boston Bruins, the Calgary Flames were unable to overturn an on-ice goalie interference call in their win-or-go-home tilt with the Colorado Avalanche. Goalie interference giveth, and goalie interference taketh away.

Flames winger Sam Bennett was called for interference while wrestling with Avalanche defenseman Erik Johnson in front of the net. Calgary forward Johnny Gaudreau was able to slip home the wraparound while Colorado goaltender Philipp Grubauer was down and out of position. Here's another look:

In its explanation upholding the call, the league stated that Bennett's actions caused Johnson to make contact with Grubauer before the puck crossed the line.

The goal would've brought the Flames within one, but instead, the Avs rode the momentum to an even larger lead.

Copyright © 2019 Score Media Ventures Inc. All rights reserved. Certain content reproduced under license.

It was only a matter of time before goalie interference reviews left their mark on the 2019 Stanley Cup Playoffs.

After a goal stood earlier in the evening during Game 5 between the Toronto Maple Leafs and Boston Bruins, the Calgary Flames were unable to overturn an on-ice goalie interference call in their win-or-go-home tilt with the Colorado Avalanche. Goalie interference giveth, and goalie interference taketh away.

Flames winger Sam Bennett was called for interference while wrestling with Avalanche defenseman Erik Johnson in front of the net. Calgary forward Johnny Gaudreau was able to slip home the wraparound while Colorado goaltender Philipp Grubauer was down and out of position. Here's another look:

In its explanation upholding the call, the league stated that Bennett's actions caused Johnson to make contact with Grubauer before the puck crossed the line.

The goal would've brought the Flames within one, but instead, the Avs rode the momentum to an even larger lead.

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The Toronto Maple Leafs earned a critical road victory over the Boston Bruins on Friday night, winning 2-1 while taking Game 5 in somewhat controversial fashion.

The Bruins challenged Auston Matthews' go-ahead goal with just over eight minutes left in the game for goaltender interference after Leafs forward Zach Hyman appeared to make contact with Tuukka Rask. The goal was upheld, and Bruins head coach Bruce Cassidy disagrees with the decision.

"From my viewpoint it clearly looked like goaltender interference," Cassidy said postgame, according to The Athletic's Joe McDonald. "The call didn't go our way and it's 1-0 with eight minutes to go. We have time to get ourselves back in the game and regroup, unfortunately we weren't able to do that."

Hyman, who was jockeying for position with Bruins defenseman Charlie McAvoy and backed into Rask accidentally, holds a different opinion.

"I was battling in front and I might've got bumped into him, but I don't think it caused much of anything ... I thought it was a good goal," Hyman said, according to TSN's Mark Masters.

In its explanation, the league said the review was inconclusive and the call on the ice was confirmed.

Maple Leafs speedster Kasperi Kapanen added another goal just over two minutes later that stood as the game-winner.

Toronto can eliminate the Bruins at home in Game 6 on Sunday, and also secure the franchise's first playoff series victory since 2004.

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Steve Yzerman is widely considered the best architect in hockey after building the Tampa Bay Lightning into a juggernaut during his eight-year run in south Florida. But now the brilliant executive faces a difficult task as the newly-minted general manager of the Detroit Red Wings.

Yzerman has to clean up the mess his predecessor and new boss, Ken Holland, left behind. While there are some encouraging young building blocks in place, the organization's on-ice product is poor, and numerous bad contracts and a weak farm system are dragging Detroit down.

It'll be a rude awakening for anyone expecting the NHL's genius GM to turn the Red Wings into a contender overnight.

The contractual nightmare

Holland has put Detroit back on the correct rebuilding track recently, but from 2015 to 2017 he neglected the future, insisting on doing whatever it took to keep the Red Wings' playoff streak alive (25 straight seasons). That organizational direction may have come from ownership, but regardless, Detroit's youth movement started two or three years late.

Some of the contracts given to veterans during Holland's tenure were intended to help the Red Wings remain short-term contenders. Now, those deals are creating long-term issues.

*Indicates player has a no-trade clause.

While a few of those deals will be off the books soon, others will be tough to shed, limiting Detroit's spending and lineup flexibility moving forward.

The pieces in place

The Red Wings finished with the league's fourth-worst record this past season, but the 2018-19 campaign was still an encouraging one for player development.

Dylan Larkin, 22, evolved into a legitimate No. 1 center while scoring a career-high 32 goals, and he could become the club's next captain. It all came together for speedy 24-year-old Andreas Athanasiou, too, who potted 30 goals. Anthony Mantha and Tyler Bertuzzi, both 24, also enjoyed their most productive seasons. Even defenseman Filip Hronek, 21, performed well as a rookie and midseason call-up.

However, the core Yzerman inherits drastically pales in comparison to the one he began with in Tampa Bay. Steven Stamkos and Victor Hedman - a pair of former top two picks - formed the foundation, but even with those tent poles in place, the Lightning needed time to become annual contenders under Yzerman. They made one surprising trip to the conference finals in 2010-11, then missed the playoffs two straight years.

Last year's No. 6 pick Filip Zadina possesses star potential for Detroit, but the rest of the team's prospects aren't overly impressive. Joe Veleno, the 30th pick in 2018, was the only other Red Wing to crack Corey Pronman's midseason prospect rankings list that features over 75 names. And only Zadina made TSN's top 50 list in January.

An eye for talent

Yzerman will likely receive more chances to draft near the top of the board in Detroit than he did in Tampa Bay. But what sets him apart from other GMs - and turned the Lightning into a powerhouse - is finding high-end talent beyond the first round.

Nikita Kucherov and Adam Erne were second-round picks for the Lightning, while Brayden Point and Anthony Cirelli were third-rounders, Mathieu Joseph was chosen in the fourth round, Ondrej Palat was a seventh-rounder, and Yanni Gourde and Tyler Johnson went undrafted.

That group shows Yzerman's eye for talent. But there's also a sliver of luck involved to land an MVP-caliber player outside the first round, and ink top-six forwards as undrafted free agents.

Yzerman is more than an astute talent evaluator, as his asset management is exceptional and he's a natural-born leader. If one GM can bring the Red Wings back to glory, it's him.

But with several roadblocks ahead while competing in a stacked division, the turnaround may take longer than some expect, despite Stevie Wonder's impressive resume.

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Carolina Hurricanes forward Warren Foegele won't face supplementary discipline for his hit from behind on Washington Capitals forward T.J. Oshie, Hurricanes general manager Don Waddell said, according to The News & Observer's Luke DeCock.

The incident happened with just over five minutes remaining in Game 4 on Thursday night. Oshie left the game immediately and Capitals head coach Todd Reirden announced after the contest that the 32-year-old "won't be playing anytime soon." Foegele was assessed a two-minute minor for boarding on the play.

Oshie has been an essential piece of the Capitals' offensive core. The skilled winger contributed eight goals and 21 points in 24 contests en route to the franchise's first Stanley Cup victory last spring.

Coming off his first full regular-season campaign, Foegele has never been suspended at the NHL level. The 6-foot-2 grinder has been a catalyst for the Hurricanes' offense this postseason, posting three goals and five points over four games.

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