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The roof for the Butler Street stand was rebuilt at a massive cost of £ 250,000 and with the club unable to pay off the insurers they turned to the playing staff to generate the required funds and with the likes of Jimmy Greenhoff , Alan Hudson and Mike Pejic being sold off Tony Waddington had a threadbare squad and he left the club in March 1977 .
 Jimmy Greenhoff, Alan Hudson, Mike Pejic, Tony Waddington
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jimmy Greenhoff, Alan Hudson, Mike Pejic, Tony Waddington