331 trailers · 292 link-verified · 14 sport buckets · compiled reference for studying how sports docs cut their trailers. Links open on their original platform; nothing is re-hosted.
Adj = UNSUNG-adjacent — how close a trailer's subject is to UNSUNG (the people & craft behind the spectacle, not the stars):
yes access / behind-the-scenes / the unsung roles — the highest-value study material
·no athlete-bio or game-highlight focus (still in scope)
·unsure borderline — see Notes.
Verif = link check: ✓ confirmed via the YouTube Data API (real video; runtime/year from the API)
·⚑ flagged — couldn't be confirmed, or it's an official page that isn't a YouTube watch URL (see Notes); never shown as verified.