Smith signed with the Jets' practice squad Wednesday.
Smith caught both of his targets for 70 yards in Saturday's 20-17 preseason win over the Commanders.
Smith was signed by the New York Jets on Friday.
Smith participated in Dallas' practice sessions Thursday, The Dallas Morning News reports.
Smith signed a reserve/future deal with the Cowboys on Monday.
Smith (illness) was placed on the practice squad COVID-19 list Monday, Todd Archer of ESPN.com reports.
Smith was waived by the Cowboys on Tuesday, Rob Phillips of the team's official site reports.
Smith's expected to sign with the Cowboys as an undrafted free agent.