The ÌÇÐÄÊÓƵ announced today that they have signed cornerback Isaiah Johnson to the active roster off the practice squad and placed linebacker Caleb Johnson on the injured reserve list. The team also signed tight end Hayden Rucci to the practice squad.
C. Johnson has appeared in 67 career games in five seasons with Chicago (2021), Jacksonville (2022-24) and Miami (2025), recording one tackle in addition to 39 special teams tackles (25 solo) and one forced fumble and one fumble recovery on special teams. He also appeared in two postseason games with Jacksonville in 2022. Johnson entered the NFL as an undrafted college free agent with Chicago in 2021. He played collegiately at Houston Christian (2016-20), where he appeared in 39 career games with 25 starts and recorded 278 tackles (103 solo), 10.0 sacks, one interception, four passes defensed, one forced fumble and six fumble recoveries.
I. Johnson has appeared in three career games with the Dolphins (2025) and has recorded one special teams tackle. He made his NFL debut in Miami's Week 6 matchup against the Los Angeles Chargers and played in Week 9 against Baltimore and in Miami's Week 10 victory over the Buffalo Bills. He entered the NFL as an undrafted college free agent with Miami in 2024 and spent the season on the practice squad. He played his final two collegiate seasons at Syracuse (2022-23), where he appeared in 25 games with 19 starts and totaled 115 tackles (74 solo), two interceptions, nine passes defensed and one forced fumble. He began his career at Dartmouth (2018-21), where he earned first-team All-Ivy League honors in 2021 after registering 55 tackles (38 solo), one interception returned for a touchdown and seven passes defensed.
Rucci has appeared in four career games with the Dolphins (2025). He entered the NFL as an undrafted college free agent with Miami in 2024 and has had multiple stints on Miami's practice squad. He played collegiately at Wisconsin, where he appeared in 36 games with 18 starts during four seasons (2020-23). He caught 17 passes for 200 yards (11.8 avg.) and one touchdown for the Badgers.
| Name | Pos. | Hgt. | Wgt. | Age | Exp. | College | Hometown | Acq. |
|---|---|---|---|---|---|---|---|---|
| Caleb Johnson | LB | 6-2 | 220 | 27 | 5 | Houston Christian ‘21 | San Diego, Calif. | FA, ‘25 |
| Isaiah Johnson | CB | 6-3 | 205 | 25 | 1 | Syracuse ’24 | Beverly Hills, Mich. | UDFA, ‘24 |
| Hayden Rucci | TE | 6-5 | 247 | 24 | 1 | Wisconsin ’24 | Lititz, Pa. | FA, ‘24 |
