Buchanan transferred to Cal from UC Davis in 2024 and made an immediate impact in his lone season with the Golden Bears. He recorded an impressive 114 tackles (12 for a loss), five sacks, four passes defensed, and two forced fumbles, per Sports Reference. His performance earned him first-team All-ACC honors.
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A participant at the NFL Scouting Combine in Indianapolis, Buchanan measured 6-foot-2 and 233 pounds and posted a 4.6-second 40-yard dash, a 40-inch vertical jump, and a 10-foot-5 broad jump.
The 49ers are looking to bolster their linebacker corps following Dre Greenlaw's departure to the Denver Broncos in free agency.
NFL.com projects Buchanan as a fifth- or sixth-round pick in this year's draft.
When asked by Melo about the kind of impact he hopes to make in the NFL, Buchanan responded, "I'm going to be a positive addition to the culture. I'm a leader and a hard worker. I'm going to help improve the culture in our room. As far as my ability on the field, I feel like I'll be able to make an instant impact. I can help create turnovers."
He added, "I want to help a team win a Super Bowl. That's ultimately what I'm excited to do. I'm excited to get things going."
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