Imagine you are Oakland's enormously talented rookie Miguel Tejada. You dream of playing in the All-Star Game one day. You might as well try getting Packers season tickets. The line is long, and it's not moving. Nomar Garciaparra, who turns 25 this month, Derek Jeter, 24, and Rodriguez, 23 this month and the best of the bunch, may already be better than the Ripken-Yount-Trammell triad that preceded them. They've transformed shortstop into the game's glamour position. Tejada, 22; the Marlins' Edgar Renteria, 22; the Rockies' Neifi Perez, 23; and the White Sox's Mike Caruso, 21, can only add to the luster.