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College Football
NCAA FBS Hub
2026 Season & Measurements
Draft Simulator Stats
No scouting note for Liam O'Brien yet — see the full profile for stats and stock.
19-28 and 3 TD in 2025 scouted game vs NCState. Insider Manny Diaz is HC Duke 2024 and 2025. 2025 (RSSoph): Transfer from Tulane. Ranked No. 28 on the CSN top-100 returning player list and No. 44 on the CBSSports top-150 players chart for 2025. The No. 3 transfer decision heading into 2025, according to ESPN.com. Slotted at No. 12 in The Athletic's 100 most impactful transfers of 2025. Named to the Maxwell Award Watch List. In 13 career games (13 starts), has completed 189-of-287 (.659) passes for 2,723 yards with 22 TDs and six INTs. Rushed 60 times for 132 yards (2.20) and one score. Compiled 2,855 yards of total offense. Led all American Athletic Conference (AAC) starters in yards per attempt (9.49) and completion percentage. Holds career TD responsibility of 23 (22 pass and one rush). Has thrown for 100+ yards in 12 games, 200+ seven times and 300+ in three contests. Led a Tulane offense that ranked among the top 10 nationally in third down conversion percentage (2nd/.525), yards per completion (6th/14.32), team passing efficiency (7th/166.86) and points per game (9th/37.15). Deep acc graph.
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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.
Liam O'Brien and Darian Mensah 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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