I'm just hypothesizing but I wonder if Rengifo (over Urias) having outfield experience also allows the Brewers to DFA someone like Berroa and free up a 40man spot for alternative use. JC, SF, GM, BP, BL, AB, CY, JB, LR, SB, etc... 1/4 of the Brewers current 40 man roster can play in the outfield and Jett is lurking.