Vaki learned a lot during rookie season that will help in Year 2
Tim Twentyman
Sione Vaki's unique journey from the University of Utah to the NFL was well documented last year when the Lions took the safety-turned-running back in the fourth round of last year's NFL Draft.
Vaki was behind David Montgomery, Jahmyr Gibbs and Craig Reynolds in Detroit's backfield rotation, but still found a way to make an impact as a rookie being a core special teams player.
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