Isaac Sopoaga among Cardinals' final roster cuts

Isaac Sopoaga's tenure with the Arizona Cardinals didn't last long.

The team released the veteran defensive tackle Saturday along with 20 other players as part of final roster cuts. The move comes just 10 days after Sopoaga signed a one-year deal with the Cardinals.

Arizona now has just eight defensive backs on its roster, one of which - Tyrann Mathieu - remains questionable for the regular-season opener as he continues to work his way back from a torn ACL.