News of the Detroit Lions' interest in and signing of Adrian Peterson came out of left field Sunday morning.
Peterson was released by Washington on Friday, and because the Lions had kept private the significant health concerns they have about their backfield, they were able to pounce quickly on the NFL's fifth all-time leading rusher.
Peterson is 35 years old and no longer the workhorse runner that steamrolled the Lions with the Minnesota Vikings for a decade, but he can be an effective part of a backfield-by-committee in Detroit this year.
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