It is the home of the Toronto Maple Leafs of the National Hockey League ( NHL ) , the Toronto Raptors of the National Basketball Association ( NBA ) and the Toronto Rock of the National Lacrosse League ( NLL ) .
The arena opened in 1999 , and is the current home to the Toronto Maple Leafs of the National Hockey League ( NHL ) , the Toronto Raptors of the National Basketball Association ( NBA ) and the Toronto Rock of the National Lacrosse League ( NLL ) .