He was hurt late in Thursday's practice and sat out Friday's workout,Air Force Scontate. The loss of the dynamic rookie from Clemson is a significant blow to the Arizona offense because he provides speed the team's other backs don't possess.
Although he didn't carry the ball in the season opener, Ellington leads the Cardinals in rushing with 441 yards on only 73 carries, a 6-yard average. He also has 28 receptions for 247 yards.