The Dolphins re-signed cornerback Cornell Armstrong, who last played for them in 2018. Armstrong has appeared in 40 career NFL games, having also played for Houston and Atlanta. He has 43 tackles and seven passes defensed. Last season, he was on Las Vegas’ practice squad.

The Miami Dolphins signed cornerback Jack Jones and waived Ryan Cooper Jr. in a corresponding move, the team announced Saturday. The Dolphins also reached an agreement with defensive back Mike Hilton,

July 24 - Artie Burns is done for the season one practice into his tenure with the Miami Dolphins. Burns, 30, left Wednesday's practice on crutches with a knee injury suffered in individual drills. Multiple outlets reported Thursday that Burns has a torn ACL.