Ryan Theriot
![Theriot with the St. Louis Cardinals](https://upload.wikimedia.org/wikipedia/commons/a/ac/Ryan_Theriot_on_June_28%2C_2011.jpg)
A shortstop in college, Theriot was converted to second base for his major league debut, but played shortstop throughout the 2007–2009 seasons. Theriot then was switched back to second base to make room for rookie Starlin Castro, who took his spot at shortstop on May 7, 2010. Provided by Wikipedia
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