Keep your enemies close, they say.
The Dallas Cowboys kicked off NFL free agency by agreeing to terms with safety Jalen Thompson.
But Dallas’ NFC East division rivals have also been busy so far.
Keep track of their free agent acquisitions below:
Cowboys
New York Giants
The Giants were busy on the opening day of free agency, making a bevy of moves, including the addition of two former Ravens (Isaiah Likely , Jordan Stout) who are following new head coach John Harbaugh to New York.
Notable additions
— TE Isaiah Likely : The former Ravens tight end follows John Harbaugh to New York on a three-year, $40 million deal, according to multiple reports.
— OL Jermaine Eluemunor: Re-signing with the Giants on a three-year, $39 million deal, according to multiple reports.
— LB Tremaine Edmunds : Signing a three-year, $36 million deal with $23.7 million fully guaranteed, according to multiple reports.
— P Jordan Stout: agreed to a three-year, $12.3 million deal that makes him the highest-paid punter in the league, according to ESPN’s Adam Schefter.
Notable departures
— WR Wan’Dale Robinson: He’s signing a 4-year, $78M deal with $38M guaranteed with the Titans, according to multiple reports.
— S Dane Belton: Staying in New York but headed to the Jets on a one-year deal, according to multiple reports.
Philadelphia Eagles
The Eagles saw a lot of talent leave the building on the opening day of free agency. While they reportedly extended star defensive tackle Jordan Davis over the weekend, Philadelphia has yet to make any free agency additions.
Notable additions
None
Notable departures
— EDGE Jaelan Philips: Signing with the Carolina Panthers on a four-year, $120 million deal, according to multiple reports.
— LB Nakobe Dean: A big target for the Cowboys, Dean is reportedly signing a three-year, $36 million deal with the Raiders.
Related

— S Reed Blankenship: On his way to the Texans on a three-year, $24.75 million deal, according to multiple reports.
— WR Jahan Dotson: Heading to the Atlanta Falcons on a two-year, $15 million deal, according to multiple reports.
Washington Commanders
The Commanders were busy on day one of free agency, highlighted by their work to strengthen the trenches. On one side they added edge rusher Odafe Oweh on a $100 million deal. On the other, Washington extended offensive tackle Laremy Tunsil, making him the first lineman making more than $30 million per year.
Notable additions
— QB Marcus Mariota : The former Heisman winner is reportedly re-signing on a one-year, $7 million contract.
— OT Laremy Tunsil : Signed a two-year, $60.2 million extension, according to multiple reports.
— EDGE Odafe Oweh : The former Chargers pass rusher is signing a four-year, $100 million deal, with $68 million guaranteed, according to multiple reports.
— DT Tim Settle : Signing a three-year, $24 million deal, according to NFL Network’s Mike Garafolo.
— CB Amik Robertson : The former Detroit Lions defensive back is reportedly signing a two-year, $16 million deal.
Notable departures
— C Tyler Biadasz: The former Cowboy was signed by the Los Angeles Chargers last week.
The post will be updated as free agency continues.
Who is Rashan Gary? 5 things to know about the Cowboys’ latest trade acquisition
Gary arrives in Dallas after a productive seven-year tenure with the Green Bay Packers.
Cowboys free agency tracker: Is Dallas ready to ‘bust the budget?’
The NFL’s free agency period opens on Monday. Keep track of signings, player targets and more here.
Dallas Cowboys, defensive end Sam Williams agree to new one-year deal
Williams recorded 9.5 sacks over the course of his rookie deal with the Cowboys.
Find more Cowboys coverage from The Dallas Morning News here.