Dating back to the 2009 campaign when Rashard Mendenhall was still with the Pittsburgh Steelers, the running back hasn't topped 4.1 yards per carry in a season. Currently, he is averaging a career-worst 3.2 yards on his 69 carries. Meanwhile, Arizona Cardinals teammate Andre Ellington sports a sparkling 6.7 yards-per-carry average. However, it's a small sample size with Ellington, because he only has 18 carries this season. Is it possible that he could carve out a bigger niche?
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