The Toronto Maple Leafs put Mitch Marner on injured reserve Tuesday, calling up centre Frederik Gauthier from the American Hockey League’s Toronto Marlies.

Marner suffered a suspected right shoulder injury last Wednesday in Columbus and has not played since.

“He’s day-to-day,” Babcock said of the 19-year-old. “What does that usually mean? Ten days. That’s why they have these doctors and these trainers. If it was up to the coach and the player, he’d be playing. But they don’t let us get involved in the equation, so they save us from ourselves.”

Gauthier was centring the fourth line with Matt Martin and Nikita Soshnikov during the morning skate in preparation for Tuesday night’s game against the Winnipeg Jets (7:30 p.m., TSN 3/4) at the Air Canada Centre.

“Size, meanness, good defence, good in the faceoff circle,” Babcock said of Gauthier. “We’re going to give (Ben Smith) a reset and Gauthier gets the chance today.”

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