Field Yates of ESPN reports that the Cowboys worked out RB Ronnie Hillman on Thursday along with Denard Robinson.
Hillman, 25, is a former third-round pick of the Broncos back in 2012. He played out his rookie contract before re-signing with Denver on a one-year, $2 million contract this past April. However, the Broncos cut him loose at the start of last season.
The Vikings later signed him to a contract after sustaining some injuries at running back. However, he was waived and claimed by the Chargers soon after.
In 2016, Hillman appeared in eight games for and ran for 131 yards on 41 carries (3.