Alarcon will play on the defensive line this season, Todd Archer of ESPN.com reports.

The Cowboys signed Alarcon to a reserve/future contract Thursday, Aaron Wilson of KPRC 2 Houston reports.

Alarcon is doubtful to return to Friday's preseason game against the Seahawks due to a right ankle injury, Todd Archer of ESPN.com reports.

Alarcon (illness) was activated from the practice squad COVID-19 list Tuesday, Michael Gehlken of The Dallas Morning News reports.

Alarcon (illness) was placed on the Cowboys' practice squad COVID-19 list Monday, Michael Gehlken of The Dallas Morning News reports and tested positive for the virus, according to Tom Pelissero of NFL Network.