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Cal Ripken Jr. and Lou Gehrig embody what it truly means to be an Iron Man. Their resilience and ability to play through marathon season after marathon season have made them iconic figures in the history of baseball.

Ripken's record for consecutive games played will in all likelihood stand as long as we live, but that doesn't mean that there aren't any iron men out there today.

A number of players take the field virtually every day in an effort to contribute to their team's successes as spring turns to summer and summer turns to fall.