Racing PositionsTwins' Gant on IL with lower abdomen strain5YCardinals acquire left-handers Happ, Lester5YCards avoid arbitration by agreeing with Gant7YEight relievers on the rise who could make a difference down the stretch7YCraig EdwardsHudson named Cards' fifth starter; Gant to bullpen7YCardinals' Wacha to DL with oblique strain8Y
