Overview

• Cincinnati announced the waiver claim Friday and released rookie defensive tackle Howard Cross III in a corresponding move.
• The 49ers waived Jefferson on Thursday to free a spot for practice-squad quarterback Adrian Martinez with Brock Purdy unavailable.
• Jefferson entered the league as a 2024 fourth-round pick by the Jaguars and joined San Francisco after Jacksonville’s final August cuts this year.
• He has appeared in nine NFL games across 2024–2025 with 12 total tackles and one sack.
• His only 49ers action came in Week 4, logging 12 defensive snaps without a recorded stat, according to Pro Football Focus.