The Chargers placed Apple (hamstring) on injured reserve Wednesday.
The Chargers signed Apple to their active roster Monday.
Apple recorded 46 tackles (37 solo), 0.5 sacks, nine pass breakups and one interception across 10 regular-season appearances with the Dolphins in 2023.
Coach Mike McDaniel said Monday that Apple has been cleared of a concussion, Daniel Oyefusi of the Miami Herald reports.
Apple left Sunday's game against the Broncos with a concussion.
Apple concluded the 2022 regular season with 49 tackles, eight pass breakups and no interceptions, forced fumbles or fumble recoveries across 15 appearances. He added 18 stops and one pass breakup in the Bengals' three postseason contests.
Apple (neck) is active for Sunday's matchup against the Ravens.
Apple (neck) is questionable for Sunday's matchup against the Ravens.
Apple (hamstring) was a full participant during Thursday's practice, Chris Roling of Bengals Wire reports.
Apple (hamstring) was a limited participant during Wednesday's practice, Jay Morrison of The Athletic reports.