Garland suffered the injury at practice on Tuesday forcing him to miss Wednesday's game against the Minnesota Wild.
"He's an emotional guy. Tenacity on the ice, emotional on the bench," Coyotes coach Rick Tocchet said about Garland. "He's always around the net. He's a pest around the net. It's hard to find those guys that are pests. He's one of our better players."
In 45 games this season, the 25-year-old has 10 goals and 32 points. Garland is a pending restricted free agent at the end of the season.