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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Ross Kolodziej joined Northwestern as defensive line coach in January 2026 after coaching at Stanford. His background also includes a seven-year NFL playing career.
Additional background from the official source retained October 16, 2026: He played defensive line at Wisconsin, making 45 starts, and also competed in the shot put. His coaching path included a Wisconsin graduate-assistant role in 2012, strength-and-conditioning work at Pittsburgh in 2013-14, Wisconsin's head football strength role from 2015 to 2020 and its defensive-line role in 2021-22.
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