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College Football
NCAA FBS Hub
2026 Season & Measurements
Draft Simulator Stats
No scouting note for Aidan O'Callaghan yet — see the full profile for stats and stock.
Has played in 29 career games with 13 starts. Named a 2025 Second-Team All-American by The Sporting News and the AFCA. Named to 2025 Coaches' All-SEC First Team. SEC sack leader in 2025 with 12.0, just exploded in scouted game vs #9 Vandy 3 solo, 2 asst, 1 sack, 1FF, 1 FR. Elite pass rusher.
Put any two prospects head-to-head — a 2027 NFL Draft hopeful or anyone on a 2026 NCAA roster — and Fanspeak stacks their position-relevant stats and Draft Simulator signals in one view.
Choose any two players from the 2027 NFL Draft class or the 2026 NCAA roster — search by name or tap a suggestion. Pick one and the other slot narrows to the same position so the matchup stays like-for-like.
Their measurements and 2026 college production line up side-by-side — only the stats that matter for the position, with the winner of each row checked.
Weigh the community's read: Fanspeak Consensus rank, position rank, ADP, mock-draft volume, hype, and the NFL team each prospect gets drafted to most.
Aidan O'Callaghan and Colin Simmons are compared here on Fanspeak's 2027 NFL Draft data — body measurements, position-relevant college production, the community consensus big board, average draft position across thousands of mock drafts, and how often each prospect shows up in those mocks. Rather than one scout's take, the matchup reflects where the draft community as a whole values each player.
Consensus rank is the cleanest single signal: a lower number means the crowd boards the prospect earlier. ADP layers in mock-draft behavior, and mock-draft volume tells you which prospect the community is paying attention to. The stat comparison checks the winner of each metric.
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