Bruce Arians has acknowledged that the Arizona Cardinals need a bigger running back.

After a failed waiver claim on Ben Tate, the Cardinals elected to turn to Michael Bush instead, working him out and signing him to a deal on Tuesday.

“We really miss (Jonathan Dwyer),” Arians said in an interview with Alex Marvez and Takeo Spikes on Sirius XM NFL Radio. “I like our backs but we need a guy who’s going to pound it in there and close out some games in short yardage and goal line situations. Michael is in great shape.”