Cowboys

• Cowboys signed WR Jaden Smith.

Dolphins

• Dolphins signed third-round WR Chris Bell, sixth-round G D.J. Campbell, fifth-round WR Kevin Coleman, third-round WR Caleb Douglas, third-round TE Will Kacmarek, seventh-round DE Max Llewellyn, fourth-round LB Kyle Louis, fourth-round LB Trey Moore, first-round T Kadyn Proctor, second-round LB Jacob Rodriguez, and fifth-round DB Michael Taaffe.

Eagles

• Eagles signed LB Chandler Martin.

Jets

• Jets released K Younghoe Koo.
• Jets signed K Jason Sanders.
• Jets waived WR Da’Quan Felton.