Versatility Makes Christian Roland-Wallace 'A Fun Piece' in the USC Secondaryby:Erik McKinney•08/02/23•ErikTMcKinneyRead In AppUSC defensive back Christian Roland-Wallace at fall camp with the Trojans (Erik McKinney/WeAreSC)Inside, we take a look at how Christian Roland-Wallace might fit within the USC defense and what he brings to the defensive back position.