Racing PositionsOF Souza Jr. retires after eight-year career8MStruggling Mariners place Toro on IL, DFA Souza10MAstros sign OF Souza to minor league deal2YCubs finalize one-year deal with OF Souza3YJesse RogersD-backs don't offer Souza, Walker, Joseph deals3YDiamondbacks' Souza tears up knee, out for '194YD-backs avoid arbitration with Ray, Lamb, 4 others4YBaseball's black holes: The worst team at every position4YSam MillerDeadline day questions: Which big names could move today?5YDavid SchoenfieldD-backs activate Souza, place Dyson on DL5Y