Consider some of the stats Binnington had Thursday.
His 38 saves were tied for second most by a rookie in a regulation Cup Final game since 1956, behind Ron Hextall (Philadelphia Flyers, Game 7 in 1987) and Rogie Vachon (Montreal Canadiens, Game 2 in 1967), who each made 40.
The win was his 15th of the Stanley Cup Playoffs, tying the rookie record for most in a single postseason with Patrick Roy (Canadiens, 1986), Hextall, Cam Ward (Carolina Hurricanes, 2006), and Matt Murray (Pittsburgh Penguins, 2016).
It was also his ninth road win of the postseason, passing Hextall for the most by a rookie in playoff history.
Blues coach Craig Berube, who played for the Flyers in 1987, laughed when asked to compare Binnington and Hextall.
"Well, they're different," he said. "They're different people for sure. So I can't compare them that way. But I can compare, though, just the outstanding play from a rookie goalie in the National Hockey League in the playoffs. I was part of that team back then with Ron Hextall as our goalie, and now seeing Binnington], he takes a different approach to the game but is getting the same results."
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The results have shown just how calm, cool and collected he is.
Binnington was greeted by chants of "You look nervous!" by Winnipeg Jets fans in the Western Conference First Round.
St. Louis went 3-0 on the road in that series and eliminated the Jets in six games.
Binnington was jeered by Dallas Stars fans after he hacked Stars goalie Ben Bishop at the end of the second period in Game 4 of the second round.
The Blues lost that game but won the series in seven games, including avoiding elimination on the road in Game 6.
The San Jose Sharks gave him the Bronx cheer in the conference final, but again, it didn't faze him. He allowed two goals in the final three games of the six-game series as the Blues advanced to the Cup Final for the first time since 1970.
Binnington simply doesn't get rattled very often. And when he does show nerves, he responds by playing his best.
After allowing five goals on 19 shots and getting pulled in Game 3 of the Cup Final, he's responded by stopping 59 of 62 shots (.952 save percentage) the past two games.