The Boston Bruins and their fans were upset about officials not calling a penalty on Tyler Bozak before the Blues’ eventual game-winner in Game 5 of the 2019 Stanley Cup Final, but if misery loves company, than they shouldn’t feel alone.

In fact, the Bruins’ opponents in St. Louis had already been on both sides of some of the most pivotal, polarizing calls of the 2019 Stanley Cup Playoffs before Game 5.

Let’s run down some of the biggest controversies of this postseason, starting with Thursday’s non-call. As a note: not every call was necessarily wrong, and this isn’t a comprehensive list, so feel free to air officiating grievances (or grievances about officiating grievances) in the comments.

[NBC 2019 STANLEY CUP PLAYOFF HUB]

Missed trip

Should it be considered a trip, a slew-foot, or no penalty at all? Well, as you can see in the video above this post’s headline, it sure seemed like Tyler Bozak thought he was going to the penalty box – just ask Bruins head coach Bruce Cassidy – for taking down Noel Acciari.

At that point, the Blues were up 1-0, but moments after that non-call, Ryan O'Reilly found David Perron for what would eventually stand as the game-winning goal.

If the call was made, it would have still been 1-0 rather than 2-0 for the Blues, and the Bruins would have headed to the power play. It’s also worth noting that a) the Bruins seemed discombobulated by that turn of events and b) Acciari was taken out of the play, effectively making it a 5-on-4 situation, so that turn of events also heightened the Blues’ chances of scoring that goal.

The hand pass

It doesn’t get much more pivotal than a blown call in overtime, at least if that call leads to a deciding goal.

Consider this maybe the high point of the trilogy of moments that went the Sharks’ way during their playoff run, as Timo Meier got away with a hand pass before Erik Karlsson scored the OT game-winner in Game 3 of the 2019 Western Conference Final against the Blues.

The Blues took the high road following that controversy, and eventually won their series against the Sharks, while top officials noted that the play was not reviewable. Could that be one of those moments that changes the goal review process in 2019-20? We shall see.

Blues score with Bishop down

File this one under the tougher judgment calls.

It all happened pretty quickly, as Ben Bishop went down after a hard shot to the collarbone area from Colton Parayko. Moments later – but arguably with more than enough time for officials to blow the play dead if they chose to – Jaden Schwartz scored a big goal that helped St. Louis force a Game 7 against the Dallas Stars in what would turn out to be an extremely close Round 2 series.

The Gabriel Landeskog incident

It seemed like the Colorado Avalanche tied Game 7 of their Round 2 series against the Sharks, until they didn’t.

Instead, the Sharks reversed Colin Wilson‘s would-be tying goal thanks to an offside review. To Landeskog’s credit, the Avalanche captain took the blame, rather than throwing officials under the bus.

Should that play have been offside? Was there even some room to look at it as too many men on the ice? It was a strange situation, either way, and another moment that worked out for San Jose, as the Sharks ultimately eliminated Colorado.

Major problem

The Golden Knights were up 3-0 against the Sharks in Game 7 of Round 1, and then Cody Eakin was whistled for a major penalty after his check (and a bump from Paul Stastny) led to a terrifying, bloody fall for Joe Pavelski.

The Sharks stunningly scored four goals during that five-minute major, and while Vegas showed scrappiness in sending that Game 7 to overtime, San Jose eventually prevailed. It’s true that the Golden Knights’ penalty kill was preposterously porous during that four-goal barrage, but Vegas was fuming after the loss, with Jonathan Marchessault comparing the perceived officiating mistake to the infamous blown pass interference call that went against the New Orleans Saints.

Most would agree that Eakin deserved to be penalized, while the debate revolves around it being a major and game misconduct. The human element of the situation cannot be ignored, as officials saw a scary scene where Pavelski was bleeding, and it happened in front of a San Jose crowd.

This is another play that might have a ripple effect. Will the NHL decide to make major penalties (or discussions of major penalties) subject to video review?

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It’s crucial to mention that it must be difficult to officiate any sport, let alone one as fast-paced as hockey. For every call you miss or make, there’s someone behind the scenes complaining about too many or too few calls. After all, Bruce Cassidy believes that Craig Berube’s complaints about officials changed the “narrative” of the Stanley Cup Final.

Getting these calls correct, all the time, is a prime example of “Easier said than done.”

Still, for fans and teams who feel slighted, these moments will reverberate, at least if their runs don’t end with a Stanley Cup victory.

Are there any moments that stand out to you, beyond the five splashy ones above? If you want to dig up old gripes about Wayne Gretzky high-sticking Doug Gilmour, have at it. Replaying those major, split-second decisions is half the fun/agony of being a hockey fan, right?

Game 6 of the 2019 Stanley Cup Final airs at 8 p.m. ET on Sunday (NBC; stream here).

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James O’Brien is a writer for Pro Hockey Talk on NBC Sports. Drop him a line at phtblog@nbcsports.com or follow him on Twitter @cyclelikesedins.