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The 2003 – 04 season was more disappointing , however , and upon the arrival of new manager Roberto Mancini , he was deployed with less frequency due to injuries , as well as the arrivals of Edgar Davids and Esteban Cambiasso in midfield , although he was finally able to capture some silverware during his final two seasons at the club .
 Roberto Mancini, Edgar Davids, Esteban Cambiasso
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roberto Mancini, Edgar Davids, Esteban Cambiasso