Petersen has scored 23 points in 65 games with the AHL's Texas Stars this season. He has spent five of his nine years in the NHL with Dallas, including a 39-game stint last season in which he scored five points.
The 34-year-old Peterson has 81 points and 50 penalty minutes in 397 career NHL games.
We've got to find a way to win a game. He's played well in the minors, now he gets his opportunity. We tried [with Jonathan Bernier]. The way I look at it, you get opportunities and you make the most of it. That's what [James Reimer] did. Now another opportunity is here and Sparks ... you gotta grab it. Is he ready? We'll find out.
— Maple Leafs coach Mike Babcock to the Toronto Star on recalling goalie Garret Sparks from the AHL to start Monday in his NHL debut