Getty NHL free agent Jack Roslovic The Toronto Maple Leafs had enough to worry about in their quest to add a free-agent forward. There’s salary cap math, roster fit, not to mention the ever-present risk of a bidding war inside the NHL.   But the latest curveball isn’t coming from Montreal , Boston or any other familiar rival. It’s coming from a league an ocean away, one that’s suddenly making its own pitch for the same player.   Rumors continue to percolate over the potential for Toronto to