20. 'We Are Marshall' (2006)
Casting McConaughey as an inspirational football coach is a no-brainer: He's a sports fan and a font of unstoppable charisma. Unfortunately, We Are Marshall, inspired by the 1970 plane crash that claimed the lives of the Marshall college team, isn't a particularly memorable gridiron drama. But McConaughey is: As Jack Lengyel, he nails the big speeches and negotiates the quieter moments with aplomb. Even during the mid-2000s low ebb of his career, he was giving the proverbial 110 percent.