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In October 2012 , Liam joined Mansfield on loan to replace injured first choice keeper Alan Marriott ( footballer ) , starting in every game of his loan spell and keeping two clean sheets in those three games .
 Liam, Alan Marriott ( footballer )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Liam, Alan Marriott ( footballer )