Miguel Tejada is killing me.His every swing and miss with runners in scoring position feels like a laceration, the deepest coming Thursday when he struck out with the bases loaded in the ninth inning of the Giants' 5-2 loss to the New York Mets.José Luis Villegas jvillegas@sacbee.comMiguel Tejada, the Giants' biggest offseason acquisition, has failed to meet expectations so far. After going 0 for 4 Thursday, his batting average fell to .196 and he has committed five errors in the field. "Things are going to get better," Tejada vowed.