Each series in the 2022 Stanley Cup playoffs has now gotten through Game 4, with no shortage of goalie drama, blowouts and controversy with on-ice officials.

This postseason has certainly been thrilling, and following wins Monday by the Florida Panthers and Calgary Flames, there will be a total of six Game 5 matchups in which the series is tied 2-2, including all four contests Tuesday night. According to ESPN Stats & Information, the six 2-2 series in an opening round ties the NHL record, set in 1991.

What have been the biggest lessons learned from the first 32 games this postseason? And how will those trends impact the rest of the first round -- and beyond? Here are our top eight takeaways:

The 'last ride together' motivation

The "last ride together" is a familiar trope in the Stanley Cup playoffs, combining the "championship window" idea with the reality of retiring players and expiring contracts. Teams like the Pittsburgh Penguins, Boston Bruins and Los Angeles Kings openly discussed the future of their core groups of players and how taking advantage of this moment together was important. So far, prolonging the magic has been a heck of a motivation.

Sidney Crosby has nine points in four games, looking desperate on every shift to extend his time with pending free agents Evgeni Malkin, Kris Letang and Bryan Rust. Brad Marchand also has nine points in four games, skating every shift with Patrice Bergeron while knowing his captain doesn't have a contract for next season. Jonathan Quick spun back the clock to 2014 with a Game 4 shutout against Edmonton, as he and Anze Kopitar seek one more run with retiring teammate Dustin Brown.

The Penguins are one win away from advancing. The other two series are tied as of Monday night. If this were a wrestling match, the crowd would be starting the "You still got it!" chant for these former champions looking for one more sip from the Cup. 

Record year for goalie chaos

We don't keep official stats on these things specifically (yes, I checked) but the 2022 postseason must be on track for a record-breaking number of goaltending-related calamities.

There were the pre-playoff injuries to key starters such as Pittsburgh's Tristan Jarry, Carolina's Frederik Andersen and Nashville's Juuse Saros. Then the Game 1 injury to the Penguins' Casey DeSmith, followed by spicy-pork-and-broccoli spokesman Louis Domingue's emergence. How about Darcy Kuemper getting hit through his mask right in the eye? Or Antti Raanta being run over in the crease only to have rookie Pyotr Kochetkov take over in his first NHL playoffs appearances to hold the fort?

There have been other positive in-series dramatics, too. Jordan Binnington returned to playoff form just in time for the Blues against the Wild, Quick stole Game 4 against Edmonton with a historic shutout, Jeremy Swayman has Boston all tied up with Carolina, and Predators third-stringer Connor Ingram made his postseason debut and gave Nashville a fighting chance after David Rittich flamed out.