Demercado rushed once for 14 yards in Monday's 17-15 win over the Chargers.
Demercado rushed four times for 25 yards and brought in five of seven targets for 39 yards in the Cardinals' 34-13 loss to the Packers on Sunday. He also returned two kickoffs for 48 yards.
Demercado (shoulder) participated in Wednesday's joint practice with the Colts, Tyler Drake of ArizonaSports.com reports.
Demercado was spotted donning a brace on his right shoulder after Wednesday's practice, Howard Balzer of GoPHNX.com reports.
Demercado has frequently subbed in for James Conner with the first-team offense at training camp, according to Tyler Drake of Arizona Sports.
Demercado should continue to play a regular role in the Cardinals offense in the final two games of the regular season, Zach Gershman of the team's official site reports.
Demercado (neck) doesn't have an injury designation for Sunday's game versus the 49ers, Bo Brack of GoPHNX.com reports.
Demercado (neck) was a limited practice participant Thursday, Jose M. Romero of The Arizona Republic reports.
Demercado (neck) practiced in a limited fashion Wednesday, Darren Urban of the Cardinals' official site reports.
Demercado (neck) returned to practice Wednesday, Howard Balzer of GoPHNX.com reports.