Michael Vick, arguably the most feared rushing quarterback in NFL history, has run with the ball 828 times over 12 seasons, counting playoffs.Three of those 828 rushes gained at least 50 yards.Most 50-plus-yard runs, Weeks 1-19Now, consider this: San Francisco 49ers quarterback Colin Kaepernick has three 50-plus-yard rushes in his past 41 carries. That stands tied for second in the NFL for the full season with Chris Johnson and Jamaal Charles, each of whom have more than 275 carries.