Over the weekend we saw the Boston Celtics Rajon Rondo suffer a gruesome dislocated elbow only to come back and finish the game, including adding several buckets. While the next game for Rondo, back with a large pad on his elbow, didn't go so well as the Heat went up 3-1 in the series. Had the Celtics won the series it would have been one of the gutsiest performances in playoff history. Now it may well be a side note compared to these four.Sports stars are set apart from the rest of us by their ability to overcome pain in important situations. While we all go through this at times in our lives, they are put in the national spotlight at the times of their weakest. Whether we know anything is wrong or it's revealed to us later, their ability to overcome otherwise debilitating injuries...

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