DAVIE (CBSMiami) – The Miami Dolphins want to upgrade the running back position after Lamar Miller and Daniel Thomas struggled to produce offense last year.

The Fins will bring in a possible replacement for a visit Friday when Knowshon Moreno comes to town, according to CBS4 news partner the Miami Herald.

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Moreno is just 26-years-old and coming off his best NFL season after being a first-round draft pick several years ago. Moreno ran 241 times for 1,038 yards and caught another 60 passes for 548 yards.

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While Moreno isn’t necessarily a big back like the Fins need, he showed last year that he is a much more capable back than either Miller or Thomas.

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According to CBS4 news partner the Miami Herald, under new general manager Dennis Hickey, almost every player who has visited the team has signed on to become a Dolphin. The only exception is linebacker D’Qwell Jackson, who visited before free agency began.