Milligan spent time on the Colts’ active roster and practice squad last season. He also was on the Lions’ practice squad in 2018.
In 2017, Milligan spent time on the Lions’ active roster and practice squad but did not see game action. He participated in the Cowboys’ 2016 offseason program and training camp before being waived in mid-August.
Milligan originally signed with the Cowboys as an undrafted free agent in 2016.
He has never played in a regular-season game.