College player coverage. Explore dated rosters and player details for 266 FBS and FCS programs. Every saved roster entry has a dated summary. Selected profiles include additional official-source background. Coverage varies by school; coaching backgrounds, program history and FAQs are still being expanded. Please check source dates and confirm changes with the schools. Division II, Division III and NAIA directories are not yet included.
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Ty Dieffenbach spent time at Pittsburgh before becoming Cal Poly's starting quarterback in 2025. His official UCLA biography records 1,305 passing yards, nine touchdown passes and four rushing touchdowns that season.
Additional background from the official biography retained October 14, 2026: He also pitched for Agoura’s baseball team and earned its Team MVP award. His junior football season brought all-state, all-county and all-league recognition.
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