Cardinals waive running back William Powell

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The Cardinals have parted ways with another of their running backs from a season ago.

William Powell, the club’s third-leading rusher in 2012, was placed on waivers Tuesday, the NFL disclosed in its transactions.

The 25-year-old Powell gained 217 yards on 60 carries for the Cardinals in 2012, a season in which Arizona finished last in the NFL in rushing yards per game and per carry. Powell also caught 19 passes for 132 yards.

The Cardinals revamped their RB corps in the offseason, signing ex-Steeler Rashard Mendenhall and drafting Stepfan Taylor and Andre Ellington. Ryan Williams, a second-round pick in 2011 who’s struggled with injuries in his first two seasons, is also in the mix.

LaRod Stephens-Howling, who gained a team-high 356 yards for Arizona in 2012, signed with Pittsburgh in free agency. He’ll vie for a reserve role with the Steelers. Beanie Wells, the club’s second-leading rusher with 234 yards, was released earlier in the offseason.

In another roster move Tuesday, the Cardinals signed rookie wide receiver Robby Toma, an undrafted free agent from Notre Dame. Toma (5-9, 185) caught 24 passes for 252 yards in 2012 for the Fighting Irish. 

Also, the Cardinals waived rookie tight end Kyle Auffray and Michael Rios, the latter with a non-football injury designation. Auffray and Rios were undrafted free agents.