Welcome to the second installment of Hoosier Huddle's Top Five Series. This week's edition will feature the top five running backs the Hoosiers will face in the regular season in 2015. Like we did with our previous top five, all the Hoosier Huddle writers ranked their running backs one through five. So without further adieu here are the top five running backs the Hoosiers will face off against in 2015.