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After loan spells at Rotherham United and Blackpool , he signed for Tranmere Rovers in October 1998 for a fee of £ 350,000 .
 Rotherham United, Blackpool, Tranmere Rovers
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Rotherham United, Blackpool, Tranmere Rovers