During the 2013 spring practice period , Caragher changed the defensive line alignment from a 4 -- 3 to a 3 -- 4 defense .
During the 2013 spring practice period , Caragher put quarterback David Fales under center rather than the pistol offense .
During the 2013 spring practice period , Caragher changed the defensive line alignment from a 4 -- 3 to a 3 -- 4 defense and put quarterback David Fales under center rather than the pistol offense .