Benson enters his 8th year in the NFL, having played for Chicago and most recently in Cincinnati. During his time in the league, he's played 91 games and rushed for 5,769 yards and 31 touchdowns. Benson has rushed for 1,000+ yards the past three seasons.
Benson adds experience to the Packers running back unit with 7 NFL seasons under his belt, more than the other 5 half backs listed on the camp roster combined: they have a total of 4 years of experience.
Benson also adds depth, below is each RB/FB on the roster and their playing status:
Alex Green RB practicing/still overcoming ACL injury from last season (entering 2nd yr)
Du'ane Bennett RB injured (Rookie)
Marc Tyler RB practicing (Rookie)
Cedric Benson RB limited practice as new signee (entering 8th yr)
Brandon Saine RB injured (entering 2nd yr)
James Starks RB injured (entering 3rd yr)
John Kuhn FB injured (entering 7th yr)
Jon Hoese FB injured (1st yr player)
Nic Cooper FB practicing (Rookie)