Colts sign veteran CBs Tre Herndon, Duke Shelley

The Indianapolis Colts addressed their thinning secondary by signing free agent cornerbacks Tre Herndon and Duke Shelley on Thursday.
Indianapolis also placed cornerback David Long Jr. on injured reserve and released tight end Albert Okwuegbunam Jr.
In addition to Long’s groin injury, the Colts have been navigating training camp hamstring injuries to cornerbacks Jaylon Jones and JuJu Brents.
Herndon, 29, saw action in one game for the New Orleans Saints last season. He has 243 tackles, 32 passes defensed and three interceptions in 84 games (34 starts) for the Jacksonville Jaguars (2018-23) and New Orleans.
Shelley, 28, appeared in one game for the New York Giants last season. He has 93 tackles, 14 passes defensed and one pick in 53 games (11 starts) with the Chicago Bears (2019-21), Minnesota Vikings (2022), Los Angeles Rams (2023) and New York.
Long, 27, played in 13 games (no starts) with the Colts in 2024. He has 96 tackles and one interception in 79 career games (12 starts) with the Rams (2019-22), Las Vegas Raiders (2023), Carolina Panthers (2023), Green Bay Packers (2023) and Colts.
Okwuegbunam, 27, spent part of last season on the Indianapolis practice squad and last appeared in an NFL game in 2023. He has 54 catches for 546 yards and four touchdowns in 30 career games (seven starts) with the Denver Broncos (2020-22) and Philadelphia Eagles (2023).