According to a report from The Associated Press, Florida Marlins closer Leo Nunez has been placed on Major League Baseball’s restricted list for undisclosed reasons.

The same report also claims that Nunez has admitted to using a fake name to sign his baseball contract over a year ago. Nunez’ real name is Juan Carlos Oviedo. According to the report, Oviedo is actually 29, not the 28 as listed in the Marlins’ team media guide.

So far in 2011, there appear to be a few major league players who are misrepresenting themselves. Here is a look at five players who, based on their performance, may not be who they say they are.

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