49ers agree to terms with Alfonso Smith

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With Kendall Hunter and LaMichael James each suffering injuries this week, the San Francisco 49ers had to hit the free agent market to bolster some running back depth for training camp.

According to Cam Inman of the Bay Area News Group, the 49ers have agreed to terms with former Arizona Cardinals running back Alfonso Smith.

Smith appeared in 43 games for the Arizona Cardinals over the last four seasons. He’s carried 48 times for 156 yards and two touchdowns in his career.

Hunter suffered a torn ACL and will miss the entire 2014 season. James suffered a dislocated elbow that should keep him sidelined for the next month.