University of Delaware S Nasir Adderley (hamstring) sustained a hamstring injury while running his 40-yard dash at his pro day Friday, March 22.

Free-agent OL Andrew Donnal re-signed with the Detroit Lions on Friday, March 22. Terms of the contract were not immediately disclosed.

Los Angeles Rams LB Samson Ebukam (knee) underwent minor knee surgery after the season, and he is expected to be held out until training camp, according to a source.

Atlanta Falcons WR Julio Jones and the team is closing in on a contract extension that would pay him $20 million a year over a four- or five-year deal, according to a source. Jones also would receive $50-60 million in new guarantees.

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Free-agent OL Bryan Witzmann (Bears) signed Friday, March 22, with the Cleveland Browns. Terms of the deal were not immediately available.

Free-agent S Curtis Riley (Giants) announced via Twitter Friday, March 22, that he has signed an undisclosed deal with the Oakland Raiders.

Free-agent QB Robert Griffin III (Ravens) re-signed with the Baltimore Ravens Friday, March 22, on a two-year deal. Financial terms weren’t disclosed, and the deal is pending a physical.

Ohio State DB Kendall Sheffield (pectoral) was unable to participate in Ohio State’s pro day Wednesday, March 20.

Missouri WR Emanuel Hall (groin) ran routes at Missouri’s pro day Thursday, March 21.

Philadelphia Eagles OG Brandon Brooks (Achilles) is no longer wearing a walking boot on his right foot.