Demercado (back) was a non-participant at Wednesday's practice, Zach Gershman of the Cardinals' official site reports.
For a second time in three weeks, Demercado is being listed with a back injury on Arizona's practice report. During Week 13 prep, Demercado was able to practice in a limited fashion all three days, so his lack of activity Wednesday is somewhat concerning. As such, Demercado's status is one to monitor as the week goes on to see if fellow reserve back Trey Benson may be in line for a bigger role behind starter James Conner on Sunday versus the Patriots.