2870
He previously played in the National Hockey League ( NHL ) with the Detroit Red Wings , Boston Bruins , New York Islanders , Toronto Maple Leafs , and the Calgary Flames .
 National Hockey League, NHL, Detroit Red Wings, Boston Bruins, New York Islanders, Toronto Maple Leafs, Calgary Flames
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 National Hockey League, NHL, Detroit Red Wings, Boston Bruins, New York Islanders, Toronto Maple Leafs, Calgary Flames