Cardinals boost o-line with Iupati signing

The Arizona Cardinals offensive line got a huge boost on Tuesday with the signing of former San Francisco 49ers guard Mike Iupati.

The San Francisco 49ers poached Darnell Dockett from the Arizona Cardinals earlier this week, but the Cardinals more than evened the score with the signing of Mike Iupati on Tuesday.

Iupati has been tremendous in the trenches for San Francisco, earning a spot in three consecutive Pro Bowls. Furthermore, Iupati has been a catalyst of a run-first 49er offense led by RB Frank Gore.

Iupati's five-year, $40 million contract includes $22.5 million guaranteed.

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