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He would eventually start in every league match he appeared for Athletic , although he rarely played in his preferred position , sweeper , being mostly deployed as a defensive midfielder ; under Javier Clemente , he contributed with 55 games and four goals as the team won back-to-back domestic leagues .
 Athletic, Javier Clemente
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Athletic, Javier Clemente