You don't necessarily have to watch one of hockey's most talented young defencemen during one of his shifts to fully appreciate his passion for game.

Ray Edwards coaching experience with Keith Yandle lasted a grand total of 35 games, 30 in the regular season and five more in the playoffs, during San Antonio's 2007-08 American Hockey League campaign

While their time together was brief, Edwards found out plenty about Yandle.

“Certainly, there were areas of his game that he needed to work on, but there is one thing that I always tell people about Keith Yandle – he loves the game,” said Edwards, of the Boston native, who was selected 105th overall in the 2005 NHL Entry Draft by the Phoenix Coyotes. “He enjoys every aspect of it.”

Edwards quickly learned that Yandle's exuberance wasn't solely confined to certain moments during a game, but rather throughout the entire 60 minutes or longer experience.

“If you get the chance, it's interesting to watch Keith the whole night,” said Edwards, who took over the head coaching role in San Antonio in 2009-10. “If you score a goal, he has a huge reaction and at the end of the game, if you win, he's having a blast. This is a player that if he could play 50 minutes a night, he would.

“That to me is a huge intangible,” continued Edwards. “He's the type of guy that always finds a way to get better, someone who is always adding to his game because he cares so much.”

A game, viewed by many, that is extremely impressive despite just over 200 games experience at the NHL level.

Yandle appeared in his first NHL game on October 11, 2006 against the Detroit Red Wings and logged 20 minutes of ice time.

He attended Cushing Academy and was slated to attend the University of New Hampshire where his brother Brian played from 2002–06. Yandle decided to forgo his college eligibility and instead suited up with the Moncton Wildcats of the Quebec Major Junior Hockey League.

Playing in 66 games in 2005–06, Yandle recorded 25 goals and 59 assists for 84 points. The Wildcats won the QMJHL championship and Yandle was honoured with the league's Emile Bouchard Trophy (best defenceman) and Telus Trophy (defensive player of the year).

“Any success that Keith has had doesn't surprise me at all,” offered Edwards, of the blueliner who skated in the 2007–08 AHL All-Star Game as a member of PlanetUSA. “First off, he's a great skater. He always puts himself in position to be effective at both ends of the ice. His lateral movement is phenomenal, too. Add vision, anticipation and good hands, and it makes him an extremely valuable contributor.”

That was more than evident in Yandle's first NHL playoff game on April 14.

He scored the first goal for the Coyotes against the Detroit Red Wings in their Game One Western Conference quarter-final matchup to tie the game at 1-1. Yandle later added an assist and was named one of the game's three stars.

“That game was a perfect example of what Keith is able to do,” said Edwards. “He has a knack of anticipating of when to get into the play. He reads plays perfectly.”

Package his on-ice impact with a winning personality and it's easy to see why Yandle, at just 23 years of age, has already become one of the most popular players in the Phoenix dressing room.

“He's not what you would call quiet,” laughed Edwards. “But that is what you love about the guy. His teammates love him. He has this passion for life that draws people to him.”

And that love for the game has never been more apparent.

“The coaching staff in Phoenix has done a great job with Keith,” said Edwards. “They challenged him and he's responded. If you focus on him on the bench, you'll see a positive guy who provides a lot of energy. If you took the game away from him, he'd be crushed.”

With his unique blend of talent and character, Yandle, who had 41 points, including 12 goals, in 2009-10, has no need to worry about a short-term NHL career.

His former coach will tell you the best is yet to come.

“He wasn't rushed into his NHL career and I think that's helped him out a lot,” said Edwards. “It was never a question of whether he would make it to the NHL. He has all the tools you need to be a success. The best thing you could say about Keith on the ice is that he's a very well-rounded player.”

And perhaps one of hockey's happiest, too.