The Cowboys waived running back Emari Demercado on Tuesday, the team announced.
Outside linebacker Marist Liufau and safety P.J. Locke are nearing a return from injured reserve.
Dallas claimed Demercado off waivers from the Chiefs on Aug. 31. He played for Cowboys offensive coordinator Klayton Adams with the Cardinals in 2023-24.
The Cowboys waived Demercado for the first time on Oct. 8.
Demercado ran five times for 15 yards in two appearances for Dallas.
He had 131 carries for 834 yards and three touchdowns in 40 games for the Cardinals over the past three seasons. He also caught 50 passes for 324 yards and a touchdown.
The Cowboys also cut tight end D.J. Rogers from injured reserve.