Tartt was released by the Eagles on Monday, Adam Caplan of SiriusXM NFL Radio reports.
The Eagles have signed Tartt to a one-year deal.
Tartt (groin) was able to practice in full Friday and will play Sunday against the Cowboys.
Tartt (groin) was a limited participant at Wednesday's practice.
Tartt (groin) is questionable to return Sunday against the Rams, David Lombardi of The Athletic reports.
Tartt (shoulder) is active for Sunday against the Rams, Kelana Martin of the 49ers' official site reports.
Tartt (shoulder) is questionable for Sunday's Week 18 matchup against the Rams, Nick Wagoner of ESPN.com reports.
Tartt (shoulder) was a limited participant in Thursday's practice, Nick Wagoner of ESPN.com reports.
Tartt (ankle) isn't on the injury report ahead of Thursday's game against Tennessee, Cam Inman of The San Jose Mercury News reports.
Tartt is day-to-day due to an ankle sprain, Nick Wagoner of ESPN reports.