MLB's cutest fans

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CHICAGO-APRIL 20: Frank Thomas #35 of the Chicago White Sox greets a fans' dog during Dog Day promotion before the game at Comiskey Park in Chicago, Illinois on April 20, 2002. The White Sox won 12-5. (Photo by Jonathan Daniel/Getty Images)

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Dogs at the stadium! Baseball's cutest fans happen to walk on four legs. These furry fans will steal your heart.

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