11502
After playing second and third bases as a rookie , he switched to shortstop permanently in 1880 with Fred Dunlap taking over at second .
 person: Fred Dunlap
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Fred Dunlap