Panthers Ban Ticket Sales Outside US to Block Maple Leafs Fans

Florida Panthers limit ticket sales for playoff games against Toronto Maple Leafs to US residents only.
Move aims to prevent Maple Leafs fans from attending and dominating the crowd at the Panthers' home arena.
Maple Leafs known for having devoted fans that frequently travel to away games.
Fans outside the US will have to buy tickets through secondary markets.
Panthers upset top-seeded Boston Bruins to advance to second round against Maple Leafs.