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The Blazers won the final Walker Cup championship of the Eastern Hockey League during the 1972 – 73 season , compiling a 63 – 9 – 4 regular season record and beating the Roanoke Valley Rebels 4 games to 2 in the Walker Cup finals .
 Blazers, Eastern Hockey
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Blazers, Eastern Hockey