Toronto’s tandem goalies part of an NHL trend

Toronto’s tenders, Jean-Sebastien Giguere and Jonas Gustavsson, have both been at mid-season form early this season, sparking the Maple Leafs to a surprising 3-0 start.
It appears until one of the netminders blinks, Wilson will be happy to use both as a tandem. This has become a common trend in the modern NHL.