Racing PositionsD-backs sign 4 to minors deals, including OF Jay1YTigers release veteran Harrison, activate Jackson2YRHP Jackson returns to Tigers on minor league deal2YBlue Jays cut loose well-traveled Edwin Jackson2YJays send Smoak (quad), Jackson (back) to IL2YJackson takes mound for 14th team, sets record2YSpoiler alert! MLB players make their 'Game of Thrones' predictions2YESPN.comEdwin Jackson set to play for record 14th team2YRHP Jackson agrees to minor league deal with A's2YA's to carry one starting pitcher vs. Yankees3Y