Today on Harp on Sports, we harp on the news that Antonio Callaway failed a marijuana test at the NFL Combine, Seth tells you why he's the biggest risk in NFL Draft history. Also, Saints TV host Mike Nabors joins the show to preview the Saints in the NFL Draft. Plus, the Houston Chronicle's John McClain joins the show to preview the Texans in the NFL Draft. Finally, a former 5 star QB is headed to play for USF, Seth tells you what it means for Charlie Strong.