The Atlanta Falcons have signed cornerback Grayland Arnold, the team announced Saturday. In a corresponding move, the Falcons have released offensive lineman Kilian Zierer. Arnold has played four seasons in the NFL, and was most recently on the Pittsburgh Steelers’ practice squad for two months during the 2024 season. Arnold’s last game action was for the Houston Texans in 2023, and he appeared in 20 games across three season for the Texans from 2021-23, primarily as a member of their special teams units.