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Dolphins bring Keith Cooper Jr. back on practice squad

Miami announced the defensive lineman’s return Wednesday after he spent the start of the 2026 season with the team.

Cody Halloran

September 30, 20261 min read

Keith Cooper Jr. is back with Miami. The Dolphins announced on Sept. 30 that the defensive lineman had been signed to their practice squad.

Cooper already knows the team: his first Miami stint began Jan. 9, and he stayed through the offseason, training camp and the season’s opening three weeks.

The 23-year-old has one tackle across four NFL appearances for Cleveland and Miami. Detroit brought him into the league as an undrafted rookie in 2025; he later spent time on the Browns’ practice squad.

Before turning pro, Cooper played three seasons at Tulane, then transferred to Houston for 2024. His Houston season included 12 starts and 3.5 sacks.

Source: Miami Dolphins, Sept. 30, 2026

https://www.miamidolphins.com/news/dolphins-sign-cooper-jr-to-practice-squad

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Cody Halloran

Cody Halloran covers Winter Springs high school and area college sports.

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