Buter (leg) hauled in three passes for 33 yards in Thursday's preseason game against the Falcons.
Head coach Brian Flores indicated Butler (leg) isn't dealing with a serious injury and the receiver could return to practice this week, Barry Jackson of the Miami Herald reports.
Butler suffered a leg injury during Tuesday's practice, Cameron Wolfe of ESPN.com reports.
Butler caught six of 10 targets for 60 yards and one touchdown in 2018.
Butler is listed as questionable for Sunday's game against the Jaguars due to a groin injury, Jon Machota of the Dallas Morning News reports.
Butler agreed to a contract Tuesday with the Cowboys, Clarence E. Hill Jr. of the Fort Worth Star-Telegram reports.
The Cowboys are considering signing Butler, Bryan Broaddus of the Cowboys' official site reports.
Butler secured his only target for 19 yards during Thursday's preseason finale against the Broncos.
Butler (foot) caught two of four targets for 17 yards in Sunday's preseason win over the Cowboys.
Coach Steve Wilks is hopeful Butler (foot) returns to practice this week, Darren Urban of the Cardinals' official site reports.