3. Undefeated is the same film that Sean Combs aka P. Diddy jumped on the bandwagon for, as executive producer, before its release. At the time, it was also reported that Diddy would exec produce the feature film remake that The Weinstein Company was reportedly developing.
The Academy Award-winning (for documentary feature) football doc was directed by Daniel Lindsay and T.J. Matin, and centers on a single defining season of the Memphis Manassas Tigers high school football team; a severely underfunded and underprivileged program attempting a winning season after years of losses, whose fortunes reverse thanks to an immensely-devoted coach named Bill Courtney.
The film received much critical acclaim, and after its SXSW debut in March 2011, was quickly snatched up by The Weinstein Company for distribution AND remake rights.
Having seen it, it's certainly worthy of all the acclaim, and its Oscar win for Best Documentary.