Taking a bunch of hits during a season will slow a RB down as well. I've seen some NFL RB's say that sometimes it's Tuesday or Wednesday before they can even walk without pain during a season. There was a video of Jerome Bettis where he could barely get down his staircase a few days after a playoff game.
Not hard to lose a step during a season.
Maroon and White Basketball
Mississippi State vs. Xavier: How, Where, and When to Watch Bulldog Basketball
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"I started something I didn't finish": Mississippi State QB Kamario Taylor joins Sports Center to talk 2027 return
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Bulldogs prepare to level up competition, starting with Xavier in neutral site meeting
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Mississippi State Week 11 Preview: Who carries the load?
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Mississippi State Week 11 Preview: Run vs. Run