The Pittsburgh Steelers ultimately missed the playoffs last season, but they were in the hunt for nearly the entire year, and they should have a shot at the postseason again in 2015 with a few roster upgrades. One spot that does not need upgrading is running back, where Le'Veon Bell has proven that he is among the best backs in the NFL.

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Bell was a monster in 2014, particularly in the second half of the season, but not everyone always believed that he was destined to be a dominant NFL running back. It is a fact that Bell has apparently not forgotten, as he took to Twitter to blast some respected draft experts.

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But Bell was not singling out Mel Kiper.

He even pulled out some old media stories to prove his point.

Bell did have some encouraging words for future draft prospects, however, and he also took one last shot at another draft analyst.