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In a year in which Alex Rodriguez and Derek Jeter have struggled to live up to their own standards, Robinson Cano has become the star of the New York Yankees offense, combining excellent hitting and solid defense at second base and establishing himself as one of the elite players in the American League.

Not bad for a guy whose dad, former Astros pitcher Jose Cano, posted an ERA over 5.00 during his only major league season.

Jose Cano is just one in a long list of professional athletes who have been significantly over-shadowed by a son, brother, or father during their careers. Indeed, it seems that the greatest athletes of all time always have a lesser known relative who also played a sport, but not so well.

Here's a look at 50 such athletes.

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