Racing PositionsOF Souza Jr. retires after eight-year career4YStruggling Mariners place Toro on IL, DFA Souza4YAstros sign OF Souza to minor league deal6YCubs finalize one-year deal with OF Souza7YJesse RogersD-backs don't offer Souza, Walker, Joseph deals7YHow Zach Britton accidentally became the new Mariano Rivera7YJayson Stark